");vwo_$('head').append(_vwo_sel);return vwo_$('head')[0] && vwo_$('head')[0].lastChild;})("HEAD")}}, R_743027_63_1_3_0:{ fn:function(log,nonce=''){return (function(x) { if(!vwo_$.fn.vwoRevertHtml){ return; }; var ctx=vwo_$(x),el; /*vwo_debug log("Revert","content",""); vwo_debug*/; el=vwo_$('[vwo-element-id="1745439018283"]'); el.revertContentOp().remove();})("HEAD")}}, C_743027_63_1_3_1:{ fn:function(log,nonce=''){return (function(x) {var ctx=vwo_$(x),el; /*vwo_debug log("editElement",".vwo-subhead"); vwo_debug*/; el=vwo_$(".vwo-subhead"); el.html("Wed, May 7, 2025 - 3.00pm CEST / 09.00am EDT");})(".vwo-subhead")}}, R_743027_63_1_3_1:{ fn:function(log,nonce=''){return (function(x) { if(!vwo_$.fn.vwoRevertHtml){ return; }; var ctx=vwo_$(x),el; /*vwo_debug log("Revert","editElement",".vwo-subhead"); vwo_debug*/; el=vwo_$(".vwo-subhead"); el.vwoRevertHtml();})(".vwo-subhead")}}, C_743027_63_1_3_2:{ fn:function(log,nonce=''){return (function(x) {var ctx=vwo_$(x),el; /*vwo_debug log("editElement",".vwo-body > p:nth-of-type(1)"); vwo_debug*/; el=vwo_$(".vwo-body > p:nth-of-type(1)"); el.html("Join us for an in-depth discussion on how linked data is reshaping library metadata strategy, research access, and institutional impact.");})(".vwo-body > p:nth-of-type(1)")}}, C_743027_24_1_2_1:{ fn:function(log,nonce=''){return (function(x) {var el,ctx=vwo_$(x); /*vwo_debug log("rearrange2","#vwo-wc-banner"); vwo_debug*/el=vwo_$("html.vwo_p_s_5fb751d886e005826a169c4b42c0329f #vwo-wc-banner"),vwo_$("html.vwo_p_s_5fb751d886e005826a169c4b42c0329f .universal-nav").not('[vwo-op-1706297283314=""]').length&&el.each((function(){var e=vwo_$("html.vwo_p_s_5fb751d886e005826a169c4b42c0329f .universal-nav"),a=vwo_$(".universal-nav > #url-mapper-msg");e.length&&e.attr("vwo-op-1706297283314",""),a.length?a.before(this):e.append(this)})),(el=vwo_$("html.vwo_p_s_6a25fa9f346c1093eb75f8cbb134de46 div.cont-main > div:nth-of-type(1) > div:nth-of-type(2) > div > div:nth-of-type(1) > header > div:nth-of-type(2)")).replaceWith('

Welcome to OCLC! If you are looking for information or materials from a library, visit WorldCat.org to search for resources in a library near you and thousands of libraries around the world.

'),el=vwo_$("html.vwo_p_s_6a25fa9f346c1093eb75f8cbb134de46 div.cont-main > div:nth-of-type(1) > div:nth-of-type(2) > div > div:nth-of-type(1) > header > div:nth-of-type(2)"),(el=vwo_$("html.vwo_p_s_db073418e304e27f8c68ace9cee46ea1 .header.parbase.section > header:nth-of-type(1) > div:nth-of-type(2)")).each((function(e,a){var o=vwo_$(a);!o.find('[vwo-op-1706297283316=""]').length&&o.vwoElement({position:"prepend",html:''})})),(el=vwo_$("html.vwo_p_s_db073418e304e27f8c68ace9cee46ea1 .header.parbase.section > header:nth-of-type(1) > div:nth-of-type(2)")).each((function(e,a){var o=vwo_$(a);!o.find('[vwo-op-1706297283318=""]').length&&o.vwoElement({position:"prepend",html:''})}));})("#vwo-wc-banner,div.cont-main > div:nth-of-type(1) > div:nth-of-type(2) > div > div:nth-of-type(1) > header > div:nth-of-type(2),.header.parbase.section > header:nth-of-type(1) > div:nth-of-type(2),.header.parbase.section > header:nth-of-type(1) > div:nth-of-type(2)")}}, C_743027_24_1_3_0:{ fn:function(log,nonce=''){return (function(x) {var el,ctx=vwo_$(x); /*vwo_debug log("addElement","body"); vwo_debug*/!(el=vwo_$("html.vwo_p_s_fc6fc6cab21772a6d0df93c5ab347165 body")).find('[vwo-op-1706297246351=""]').length&&el.vwoElement({html:'',position:"append"}),(el=vwo_$("html.vwo_p_s_db073418e304e27f8c68ace9cee46ea1 body")).each((function(e,o){var n=vwo_$(o);!n.find('[vwo-op-1706297246352=""]').length&&n.vwoElement({html:'',position:"append"})}));})("body")}}, C_743027_24_1_3_1:{ fn:function(log,nonce=''){return (function(x) {var el,ctx=vwo_$(x); /*vwo_debug log("rearrange2","#vwo-wc-banner"); vwo_debug*/el=vwo_$("html.vwo_p_s_fc6fc6cab21772a6d0df93c5ab347165 #vwo-wc-banner"),vwo_$("html.vwo_p_s_fc6fc6cab21772a6d0df93c5ab347165 .universal-nav").not('[vwo-op-1706297246353=""]').length&&el.each((function(){var e=vwo_$("html.vwo_p_s_fc6fc6cab21772a6d0df93c5ab347165 .universal-nav"),a=vwo_$(".universal-nav > #url-mapper-msg");e.length&&e.attr("vwo-op-1706297246353",""),a.length?a.before(this):e.append(this)})),el=vwo_$("html.vwo_p_s_db073418e304e27f8c68ace9cee46ea1 #vwo-wc-banner"),vwo_$("html.vwo_p_s_db073418e304e27f8c68ace9cee46ea1 .universal-nav").not('[vwo-op-1706297246354=""]').length&&el.each((function(){var e=vwo_$("html.vwo_p_s_db073418e304e27f8c68ace9cee46ea1 .universal-nav"),a=vwo_$(".universal-nav > #url-mapper-msg");e.length&&e.attr("vwo-op-1706297246354",""),a.length?a.before(this):e.append(this)}));})("#vwo-wc-banner,#vwo-wc-banner")}}, R_743027_62_1_3_2:{ fn:function(log,nonce=''){return (function(x) { if(!vwo_$.fn.vwoRevertHtml){ return; }; var el,ctx=vwo_$(x); /*vwo_debug log("Revert","AIEditor",".vwo-modal__body"); vwo_debug*/(el=vwo_$(".vwo-modal__body")).revertContentOp();})(".vwo-modal__body")}}, GL_743027_62_pre:{ fn:function(VWO_CURRENT_CAMPAIGN, VWO_CURRENT_VARIATION,nonce = ""){}}, GL_743027_62_post:{ fn:function(VWO_CURRENT_CAMPAIGN, VWO_CURRENT_VARIATION,nonce = ""){}}, C_743027_24_1_5_1:{ fn:function(log,nonce=''){return (function(x) {var el,ctx=vwo_$(x); /*vwo_debug log("rearrange2","#vwo-wc-banner"); vwo_debug*/el=vwo_$("html.vwo_p_s_aa895eba50d68e816e81447d4def0dd0 #vwo-wc-banner"),vwo_$("html.vwo_p_s_aa895eba50d68e816e81447d4def0dd0 .universal-nav").not('[vwo-op-1706297246544=""]').length&&el.each((function(){var e=vwo_$("html.vwo_p_s_aa895eba50d68e816e81447d4def0dd0 .universal-nav"),a=vwo_$(".universal-nav > #url-mapper-msg");e.length&&e.attr("vwo-op-1706297246544",""),a.length?a.before(this):e.append(this)})),el=vwo_$("html.vwo_p_s_b2ec459e1aeb8fbbb2e2a0cb5c35d3e5 #vwo-wc-banner"),vwo_$("html.vwo_p_s_b2ec459e1aeb8fbbb2e2a0cb5c35d3e5 .universal-nav").not('[vwo-op-1706297246545=""]').length&&el.each((function(){var e=vwo_$("html.vwo_p_s_b2ec459e1aeb8fbbb2e2a0cb5c35d3e5 .universal-nav"),a=vwo_$(".universal-nav > #url-mapper-msg");e.length&&e.attr("vwo-op-1706297246545",""),a.length?a.before(this):e.append(this)}));})("#vwo-wc-banner,#vwo-wc-banner")}}, C_743027_24_1_6_0:{ fn:function(log,nonce=''){return (function(x) {var el,ctx=vwo_$(x); /*vwo_debug log("addElement","body"); vwo_debug*/!(el=vwo_$("html.vwo_p_s_7aa31c0ea537cc6d1d52b51ff1711dfe body")).find('[vwo-op-1706297246632=""]').length&&el.vwoElement({html:'',position:"append"}),(el=vwo_$("html.vwo_p_s_7e2314560a43b4fc81443eb88875e1cb body")).each((function(n,o){var s=vwo_$(o);!s.find('[vwo-op-1706297246633=""]').length&&s.vwoElement({html:'',position:"append"})}));})("body")}}},rules:[{"triggers":["7538449"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.52"}]},{"triggers":["7538455"],"tags":[{"metricId":856873,"data":{"type":"m","campaigns":[{"g":2,"c":45}]},"id":"metric"}]},{"triggers":["3926488","3926491","3926494","3926497","3926500","3926503","3926506","3926509"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.24"}]},{"triggers":["11218597"],"tags":[{"metricId":0,"data":{"type":"g","campaigns":[{"g":3,"c":23}]},"id":"metric"}]},{"triggers":["3204947"],"tags":[{"metricId":394880,"data":{"type":"m","campaigns":[{"g":1,"c":24}]},"id":"metric"}]},{"triggers":["13465101"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.63"}]},{"triggers":["12415740"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.62"}]},{"triggers":["3467935","3467937","3891148","3868378","3868381","3699280","3868375","3868372","3868366","3868369","3868363","3868360"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.23"}]},{"triggers":["3699301"],"tags":[{"metricId":393026,"data":{"type":"m","campaigns":[{"g":1,"c":23}]},"id":"metric"}]},{"triggers":["13418928"],"tags":[{"metricId":256165,"data":{"type":"m","campaigns":[{"g":1,"c":48}]},"id":"metric"},{"metricId":256165,"data":{"type":"m","campaigns":[{"g":1,"c":67}]},"id":"metric"}]},{"triggers":["3467935","3467937","3474327","3474329"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.26"}]},{"triggers":["11348713","11348716","11607274"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.50"}]},{"triggers":["10859356"],"tags":[{"metricId":1209280,"data":{"type":"m","campaigns":[{"g":2,"c":52}]},"id":"metric"}]},{"triggers":["7538449","7538452","13418922","13418925"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.67"}]},{"triggers":["11901466"],"tags":[{"metricId":1302544,"data":{"type":"m","campaigns":[{"g":2,"c":62}]},"id":"metric"}]},{"triggers":["13465482"],"tags":[{"metricId":1420029,"data":{"type":"m","campaigns":[{"g":5,"c":63}]},"id":"metric"}]},{"triggers":["3891109"],"tags":[{"metricId":460042,"data":{"type":"m","campaigns":[{"g":3,"c":52}]},"id":"metric"},{"metricId":460042,"data":{"type":"m","campaigns":[{"g":2,"c":23}]},"id":"metric"}]},{"triggers":["11218462"],"tags":[{"metricId":1109587,"data":{"type":"m","campaigns":[{"g":3,"c":62}]},"id":"metric"}]},{"triggers":["13531875","13531878"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.57"}]},{"triggers":["13465485"],"tags":[{"metricId":1420032,"data":{"type":"m","campaigns":[{"g":6,"c":63}]},"id":"metric"}]},{"triggers":["3474331"],"tags":[{"metricId":418573,"data":{"type":"m","campaigns":[{"g":1,"c":26}]},"id":"metric"}]},{"triggers":["10597825","10597828","10597831"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.53"}]},{"triggers":["11348776"],"tags":[{"metricId":1246453,"data":{"type":"m","campaigns":[{"g":2,"c":57}]},"id":"metric"}]},{"triggers":["4049042"],"tags":[{"metricId":0,"data":{"type":"g","campaigns":[{"g":1,"c":33}]},"id":"metric"}]},{"triggers":["3467935","3467937","4049039"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.33"}]},{"triggers":["9901843"],"tags":[{"metricId":1094613,"data":{"type":"m","campaigns":[{"g":1,"c":53}]},"id":"metric"},{"metricId":1094613,"data":{"type":"m","campaigns":[{"g":1,"c":50}]},"id":"metric"}]},{"triggers":["7538449","7538452"],"tags":[{"priority":4,"id":"runCampaign","data":"campaigns.45"},{"priority":4,"triggerIds":["7538449","7538452"],"id":"runCampaign","data":"campaigns.48"}]},{"triggers":["8"],"tags":[{"priority":3,"id":"prePostMutation"},{"id":"groupCampaigns","priority":2}]},{"triggers":["9"],"tags":[{"priority":2,"id":"visibilityService"}]},{"triggers":["2"],"tags":[{"id":"runTestCampaign"}]},{"triggers":["75"],"tags":[{"id":"urlChange"}]},{"triggers":["5"],"tags":[{"id":"checkEnvironment"}]}],pages:{"ec":[{"256778":{"inc":["o",["url","urlReg","(?i).*"]]}},{"256778":{"inc":["o",["url","urlReg","(?i).*"]]}},{"567821":{"inc":["o",["url","urlReg","(?i).*https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org.*"],["url","urlReg","(?i).*https?\\:\\\/\\\/(w{3}\\.)?blog\\.oclc\\.org.*"],["url","urlReg","(?i).*https?\\:\\\/\\\/(w{3}\\.)?policies\\.oclc\\.org.*"]]}},{"1935877":{"inc":["o",["url","urlReg","(?i)^https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/.*\\\/community\\-center\\.html\\\/?(?:[\\?#].*)?$"],["url","urlReg","(?i)^https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/.*\\\/tipasa\\.html\\\/?(?:[\\?#].*)?$"],["url","urlReg","(?i)^https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/.*\\\/worldshare\\-ill\\.html\\\/?(?:[\\?#].*)?$"],["url","urlReg","(?i)^https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/.*\\\/ezproxy\\.html\\\/?(?:[\\?#].*)?$"],["url","urlReg","(?i)^https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/.*\\\/capira\\.html\\\/?(?:[\\?#].*)?$"],["url","urlReg","(?i)^https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/.*\\\/choreo\\-insights\\.html\\\/?(?:[\\?#].*)?$"],["url","urlReg","(?i).*https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/developer\\\/.*"],["url","urlReg","(?i)^https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/.*\\\/worldcat\\-org\\.html\\\/?(?:[\\?#].*)?$"],["url","urlReg","(?i)^https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/.*\\\/contentdm\\.html\\\/?(?:[\\?#].*)?$"],["url","urlReg","(?i)^https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/.*\\\/worldshare\\-management\\-services\\.html\\\/?(?:[\\?#].*)?$"],["url","urlReg","(?i)^https?\\:\\\/\\\/(w{3}\\.)?oclc\\.org\\\/.*\\\/greenglass\\.html\\\/?(?:[\\?#].*)?$"]]}}]},pagesEval:{"ec":[256778,256778,567821,1935877]},stags:{}}})(); ;;var commonWrapper=function(argument){if(!argument){argument={valuesGetter:function(){return{}},valuesSetter:function(){},verifyData:function(){return{}}}}const getVisitorUuid=function(){if(window._vwo_acc_id>=1037725){return window.VWO&&window.VWO.get("visitor.id")}else{return window.VWO._&&window.VWO._.cookies&&window.VWO._.cookies.get("_vwo_uuid")}};var pollInterval=100;var timeout=6e4;return function(){var accountIntegrationSettings={};var _interval=null;function waitForAnalyticsVariables(){try{accountIntegrationSettings=argument.valuesGetter();accountIntegrationSettings.visitorUuid=getVisitorUuid()}catch(error){accountIntegrationSettings=undefined}if(accountIntegrationSettings&&argument.verifyData(accountIntegrationSettings)){argument.valuesSetter(accountIntegrationSettings);return 1}return 0}var currentTime=0;_interval=setInterval((function(){currentTime=currentTime||performance.now();var result=waitForAnalyticsVariables();if(result||performance.now()-currentTime>=timeout){clearInterval(_interval)}}),pollInterval)}}; commonWrapper({valuesGetter:function(){return {"ga4s":0}},valuesSetter:function(data){var singleCall=data["ga4s"]||0;if(singleCall){window.sessionStorage.setItem("vwo-ga4-singlecall",true)}var ga4_device_id="";if(typeof window.VWO._.cookies!=="undefined"){ga4_device_id=window.VWO._.cookies.get("_ga")||""}if(ga4_device_id){window.vwo_ga4_uuid=ga4_device_id.split(".").slice(-2).join(".")}},verifyData:function(data){if(typeof window.VWO._.cookies!=="undefined"){return window.VWO._.cookies.get("_ga")||""}else{return false}}})(); var pushBasedCommonWrapper=function(argument){var firedCamp={};if(!argument){argument={integrationName:"",getExperimentList:function(){},accountSettings:function(){},pushData:function(){}}}return function(){window.VWO=window.VWO||[];const getVisitorUuid=function(){if(window._vwo_acc_id>=1037725){return window.VWO&&window.VWO.get("visitor.id")}else{return window.VWO._&&window.VWO._.cookies&&window.VWO._.cookies.get("_vwo_uuid")}};var sendDebugLogsOld=function(expId,variationId,errorType,user_type,data){try{var errorPayload={f:argument["integrationName"]||"",a:window._vwo_acc_id,url:window.location.href,exp:expId,v:variationId,vwo_uuid:getVisitorUuid(),user_type:user_type};if(errorType=="initIntegrationCallback"){errorPayload["log_type"]="initIntegrationCallback";errorPayload["data"]=JSON.stringify(data||"")}else if(errorType=="timeout"){errorPayload["timeout"]=true}if(window.VWO._.customError){window.VWO._.customError({msg:"integration debug",url:window.location.href,lineno:"",colno:"",source:JSON.stringify(errorPayload)})}}catch(e){window.VWO._.customError&&window.VWO._.customError({msg:"integration debug failed",url:"",lineno:"",colno:"",source:""})}};var sendDebugLogs=function(expId,variationId,errorType,user_type){var eventName="vwo_debugLogs";var eventPayload={};try{eventPayload={intName:argument["integrationName"]||"",varId:variationId,expId:expId,type:errorType,vwo_uuid:getVisitorUuid(),user_type:user_type};if(window.VWO._.event){window.VWO._.event(eventName,eventPayload,{enableLogs:1})}}catch(e){eventPayload={msg:"integration event log failed",url:window.location.href};window.VWO._.event&&window.VWO._.event(eventName,eventPayload)}};const callbackFn=function(data){if(!data)return;var expId=data[1],variationId=data[2],repeated=data[0],singleCall=0,debug=0;var experimentList=argument.getExperimentList();var integrationName=argument["integrationName"]||"vwo";if(typeof argument.accountSettings==="function"){var accountSettings=argument.accountSettings();if(accountSettings){singleCall=accountSettings["singleCall"];debug=accountSettings["debug"]}}if(debug){sendDebugLogs(expId,variationId,"intCallTriggered",repeated)}if(singleCall&&(repeated==="vS"||repeated==="vSS")||firedCamp[expId]){return}window.expList=window.expList||{};var expList=window.expList[integrationName]=window.expList[integrationName]||[];if(expId&&variationId&&["VISUAL_AB","VISUAL","SPLIT_URL"].indexOf(_vwo_exp[expId].type)>-1){if(experimentList.indexOf(+expId)!==-1){firedCamp[expId]=variationId;var visitorUuid=getVisitorUuid();var pollInterval=100;var currentTime=0;var timeout=6e4;var user_type=_vwo_exp[expId].exec?"vwo-retry":"vwo-new";var interval=setInterval((function(){if(expList.indexOf(expId)!==-1){clearInterval(interval);return}currentTime=currentTime||performance.now();var toClearInterval=argument.pushData(expId,variationId,visitorUuid);if(debug&&toClearInterval){sendDebugLogsOld(expId,variationId,"",user_type);sendDebugLogs(expId,variationId,"intDataPushed",user_type)}var isTimeout=performance.now()-currentTime>=timeout;if(isTimeout&&debug){sendDebugLogsOld(expId,variationId,"timeout",user_type);sendDebugLogs(expId,variationId,"intTimeout",user_type)}if(toClearInterval||isTimeout){clearInterval(interval)}if(toClearInterval){window.expList[integrationName].push(expId)}}),pollInterval||100)}}};window.VWO.push(["onVariationApplied",callbackFn]);window.VWO.push(["onVariationShownSent",callbackFn])}}; var validationUtils={exists:function(path){try{const parts=path.split(".");let current=window;for(const part of parts){if(current[part]===undefined){return false}current=current[part]}return true}catch(e){return false}},safeExecute:function(path,args=[]){try{const parts=path.split(".");let current=window;for(const part of parts){if(current[part]===undefined){return false}current=current[part]}if(typeof current!=="function"){return false}return current(...args)}catch(e){return false}},validateAll:function(paths){return paths.every(path=>this.exists(path))}}; var surveyDataCommonWrapper=function(argument){if(!argument){argument={getCampaignList:function(){return[]},surveyStatusChange:function(){},answerSubmitted:function(){}}}return function(){window.VWO=window.VWO||[];function getValuesFromAnswers(answers){var values=[];for(var i=0;i=timeout;if(toClearInterval||isTimeout){clearInterval(interval)}}),pollInterval)}}window.VWO.push(["onSurveyShown",function(data){commonSurveyCallback(data,argument.surveyStatusChange,"surveyShown")}]);window.VWO.push(["onSurveyCompleted",function(data){commonSurveyCallback(data,argument.surveyStatusChange,"surveyCompleted")}]);window.VWO.push(["onSurveyAnswerSubmitted",function(data){commonSurveyCallback(data,argument.answerSubmitted,"surveySubmitted")}])}}; (function(){var VWOOmniTemp={};window.VWOOmni=window.VWOOmni||{};for(var key in VWOOmniTemp)Object.prototype.hasOwnProperty.call(VWOOmniTemp,key)&&(window.VWOOmni[key]=VWOOmniTemp[key]);window._vwoIntegrationsLoaded=1;pushBasedCommonWrapper({integrationName:"GA4",getExperimentList:function(){return [21,24,26,1,23,33,45,53,52,62,63,50,67,57,48]},accountSettings:function(){var accountIntegrationSettings={"setupVia":"gtm","manualSetup":true,"dataVariable":"dataLayer"};if(accountIntegrationSettings["debugType"]=="ga4"&&accountIntegrationSettings["debug"]){accountIntegrationSettings["debug"]=1}else{accountIntegrationSettings["debug"]=0}return accountIntegrationSettings},pushData:function(expId,variationId){var accountIntegrationSettings={"setupVia":"gtm","manualSetup":true,"dataVariable":"dataLayer"};var ga4Setup=accountIntegrationSettings["setupVia"]||"gtag";if(ga4Setup==="gtag"){validationUtils.safeExecute("gtag",["event","VWO",{vwo_campaign_name:window._vwo_exp[expId].name+":"+expId,vwo_variation_name:window._vwo_exp[expId].comb_n[variationId]+":"+variationId}]);validationUtils.safeExecute("gtag",["event","experience_impression",{exp_variant_string:"VWO-"+expId+"-"+variationId}]);return true}return false}})();pushBasedCommonWrapper({integrationName:"GA4-GTM",getExperimentList:function(){return [21,24,26,1,23,33,45,53,52,62,63,50,67,57,48]},accountSettings:function(){var accountIntegrationSettings={"setupVia":"gtm","manualSetup":true,"dataVariable":"dataLayer"};if(accountIntegrationSettings["debugType"]=="gtm"&&accountIntegrationSettings["debug"]){accountIntegrationSettings["debug"]=1}else{accountIntegrationSettings["debug"]=0}return accountIntegrationSettings},pushData:function(expId,variationId){var accountIntegrationSettings={"setupVia":"gtm","manualSetup":true,"dataVariable":"dataLayer"};var ga4Setup=accountIntegrationSettings["setupVia"]||"gtm";var dataVariable=accountIntegrationSettings["dataVariable"]||"dataLayer";if(ga4Setup==="gtm"&&validationUtils.exists(dataVariable)&&Array.isArray(window[dataVariable])){window[dataVariable].push({event:"vwo-data-push-ga4",vwo_exp_variant_string:"VWO-"+expId+"-"+variationId});return true}return false}})(); ;})();(function(){window.VWO=window.VWO||[];var pollInterval=100;var _vis_data={};var intervalObj={};var analyticsTimerObj={};var experimentListObj={};window.VWO.push(["onVariationApplied",function(data){if(!data){return}var expId=data[1],variationId=data[2];if(expId&&variationId&&["VISUAL_AB","VISUAL","SPLIT_URL"].indexOf(window._vwo_exp[expId].type)>-1){}}])})();; ;var vD=VWO.data||{};VWO.data={content:{"fns":{"list":{"args":{"1":{}},"vn":1}}},as:"r6.visualwebsiteoptimizer.com",dacdnUrl:"https://dev.visualwebsiteoptimizer.com",accountJSInfo:{"pvn":-1,"ts":1746164756,"gC":[{"id":1,"c":[1,20],"wt":{"20":1,"1":99},"et":2,"t":1},{"p":[50,57],"id":2,"t":1,"c":[50,57],"et":2},{"id":3,"c":[63,68],"wt":{"63":75,"68":25},"et":2,"t":1}],"noSS":false,"rp":7,"pc":{"a":0,"t":0}}};for(var k in vD){VWO.data[k]=vD[k]};;var gcpfb=function(a,loadFunc,status,err,success){function vwoErr() {_vwo_err({message:"Google_Cdn failing for " + a + ". Trying Fallback..",code:"cloudcdnerr",status:status});} if(a.indexOf("/cdn/")!==-1){loadFunc(a.replace("cdn/",""),err,success); vwoErr(); return true;} else if(a.indexOf("/dcdn/")!==-1&&a.indexOf("evad.js") !== -1){loadFunc(a.replace("dcdn/",""),err,success); vwoErr(); return true;}};window.VWO=window.VWO || [];window.VWO._= window.VWO._ || {};window.VWO._.gcpfb=gcpfb;;var d={cookie:document.cookie,URL:document.URL,referrer:document.referrer};var w={VWO:{_:{}},location:{href:window.location.href,search:window.location.search},_vwoCc:window._vwoCc};;window._vwo_cdn="https://dev.visualwebsiteoptimizer.com/cdn/";window._vwo_apm_debug_cdn="https://dev.visualwebsiteoptimizer.com/cdn/";window.VWO._.useCdn=true;window.vwo_eT="br";window._VWO=window._VWO||{};window._VWO.fSeg=["1","21"];window._VWO.dcdnUrl="/dcdn/settings.js";window.VWO.sTs=1746160027;window._VWO._vis_nc_lib=window._vwo_cdn+"edrv/nc-7b352401720207cc6f93278b8ec0b3a8br.js";var loadWorker=function(url){_vwo_code.load(url, { dSC: true, onloadCb: function(xhr,a){window._vwo_wt_l=true;if(xhr.status===200 ||xhr.status===304){var code="var window="+JSON.stringify(w)+",document="+JSON.stringify(d)+";window.document=document;"+xhr.responseText;var blob=new Blob([code||"throw new Error('code not found!');"],{type:"application/javascript"}),url=URL.createObjectURL(blob);window.mainThread={webWorker:new Worker(url)};window.vwoChannelFW=new MessageChannel();window.vwoChannelToW=new MessageChannel();window.mainThread.webWorker.postMessage({vwoChannelToW:vwoChannelToW.port1,vwoChannelFW:vwoChannelFW.port2},[vwoChannelToW.port1, vwoChannelFW.port2]);if(!window._vwo_mt_f)return window._vwo_wt_f=true;_vwo_code.addScript({text:window._vwo_mt_f});delete window._vwo_mt_f}else{if(gcpfb(a,loadWorker,xhr.status)){return;}_vwo_code.finish("&e=loading_failure:"+a)}}, onerrorCb: function(a){if(gcpfb(a,loadWorker)){return;}window._vwo_wt_l=true;_vwo_code.finish("&e=loading_failure:"+a);}})};loadWorker("https://dev.visualwebsiteoptimizer.com/cdn/edrv/worker-aa7ffe63a93031e335ac2a7c312d4377br.js");;var _vis_opt_file;var _vis_opt_lib;if(window.VWO._.allSettings.dataStore.previewExtraSettings!=undefined&&window.VWO._.allSettings.dataStore.previewExtraSettings.isSurveyPreviewMode){var surveyHash=window.VWO._.allSettings.dataStore.plugins.LIBINFO.SURVEY_DEBUG_EVENTS.HASH;var param1="evad.js?va=";var param2="&d=debugger_new";var param3="&sp=1&a=743027&sh="+surveyHash;_vis_opt_file=vwoCode.use_existing_jquery&&typeof vwoCode.use_existing_jquery()!=="undefined"?vwoCode.use_existing_jquery()?param1+"vanj"+param2:param1+"va_gq"+param2:param1+"edrv/va_gq-122231c20402f7ad693c0aaa2f526472br.js"+param2;_vis_opt_file=_vis_opt_file+param3;_vis_opt_lib="https://dev.visualwebsiteoptimizer.com/dcdn/"+_vis_opt_file}else if(window.VWO._.allSettings.dataStore.mode!=undefined&&window.VWO._.allSettings.dataStore.mode=="PREVIEW"){ var path1 = 'edrv/pd_'; var path2 = window.VWO._.allSettings.dataStore.plugins.LIBINFO.EVAD.HASH + ".js"; ;_vis_opt_file=vwoCode.use_existing_jquery&&typeof vwoCode.use_existing_jquery()!=="undefined"?vwoCode.use_existing_jquery()?path1+"vanj"+path2:path1+"va_gq"+path2:path1+"edrv/va_gq-122231c20402f7ad693c0aaa2f526472br.js"+path2;_vis_opt_lib="https://dev.visualwebsiteoptimizer.com/cdn/"+_vis_opt_file}else{_vis_opt_file=vwoCode.use_existing_jquery&&typeof vwoCode.use_existing_jquery()!=="undefined"?vwoCode.use_existing_jquery()?"edrv/vanj-bc789dc313c3f34c75063d32b795f82dbr.js":"edrv/va_gq-122231c20402f7ad693c0aaa2f526472br.js":"edrv/va_gq-122231c20402f7ad693c0aaa2f526472br.js"}window._vwo_library_timer=setTimeout((function(){vwoCode.removeLoaderAndOverlay&&vwoCode.removeLoaderAndOverlay();vwoCode.finish()}),vwoCode.library_tolerance&&typeof vwoCode.library_tolerance()!=="undefined"?vwoCode.library_tolerance():2500),_vis_opt_lib=typeof _vis_opt_lib=="undefined"?window._vwo_cdn+_vis_opt_file:_vis_opt_lib;var loadLib=function(url){_vwo_code.load(url, { dSC: true, onloadCb:function(xhr,a){window._vwo_mt_l=true;if(xhr.status===200 || xhr.status===304){if(!window._vwo_wt_f)return window._vwo_mt_f=xhr.responseText;_vwo_code.addScript({text:xhr.responseText});delete window._vwo_wt_f;}else{if(gcpfb(a,loadLib,xhr.status)){return;}_vwo_code.finish("&e=loading_failure:"+a);}}, onerrorCb: function(a){if(gcpfb(a,loadLib)){return;}window._vwo_mt_l=true;_vwo_code.finish("&e=loading_failure:"+a);}})};loadLib(_vis_opt_lib);VWO.load_co=function(u,opts){return window._vwo_code.load(u,opts);};;;}}catch(e){_vwo_code.finish();_vwo_code.removeLoaderAndOverlay&&_vwo_code.removeLoaderAndOverlay();_vwo_err(e);window.VWO.caE=1}})(); VIAF (Virtual International Authority File) | OCLC Developer Network

JavaScript is currently not supported or is disabled by this browser.
Some features of this site will not be available. Please enable JavaScript for full functionality.

VIAF (Virtual International Authority File)

Access to linked names for the same entity across the world's major name authority files, including national and regional variations in language, character set, and spelling.

Status: Production
Sandbox access: No

What you get

The Virtual International Authority File links authority data from 37 agencies in 29 countries, representing a variety of formats. Each VIAF record contains a unique data number, the "see" and "see also" fields from the original record and links to the original authority records. With the VIAF API, you can:

Search for authority data by keyword, local name, preferred name form, title, source, or control number of source records and retrieve authority records and relationships between authority records from different sources.
Retrieve summary information from authority records as well as relationships between records from different sources.
Retrieve authority records in different formats from several national libraries.

VIAF records are available either as cluster records or source records. Cluster records aggregate the various authority files from the international contributors into one authority record for a given authority topic. Source records are MARC21 or Unimarc Name Authority records that have been processed for uniformity.

Who can use it

VIAF data is available under the Open Data Commons Attribution License (ODC-BY). Please see OCLC Data licenses & attribution for guidelines.

Try the API >>
View documentation and interact with this API

API access to

VIAF

Service categories

Metadata services

OCLC APIs

API Documentation

API Keys

Webinars and events

News

Subscribe to Tech Topics

Contact us

VIAF (Virtual International Authority File)

What you get

Who can use it

API access to

Service categories

Information for

Visit related sites

Subscribe to Tech Topics

VIAF (Virtual International Authority File)

What you get

Who can use it

API access to

Service categories

Follow OCLC Developer Network