What in the WorldCat?


At OCLC Research, we're exploring records and mining data from WorldCat, the world's largest library catalog, to highlight interesting and different views of the world's library collections. Each new feature is included below to pique your curiosity and showcase some of the unique things that can be gleaned from WorldCat and its data. Be sure to stop back often to see what we come up with next. If you've got a suggestion for something you'd like us to feature, let us know!


Top 10 Other Elizabeth Bennet Novels

Top 10 Other Elizabeth Bennet Novels

Sometimes a character is so universally embraced by the world that he/she/it is allowed to escape their story and find larger worlds to occupy. Jane Austen’s charming, lively and redoubtable character Miss Elizabeth Bennet is one of these characters. In fact we have found her in in over 150 novels. We encourage you to explore Fiction Finder to see in what other stories your beloved characters can be found.
#wtworldcat #ElizabethBennet #JaneAusten

Top Action & Adventure Movies of 70s, 80s, 90s and Today

Top Action & Adventure Movies of 70s, 80s, 90s and Today

Being a summer action blockbuster is one thing—but which action films stand the test of time? We wanted to know which ones do libraries hold on to year after year.  So we made a list of the Top Action and Adventure Movies found in libraries. How many have you seen? How many can you quote?
#wtworldcat #actionadventure

Top 25 Inventors

Top 25 Inventors Found in Libraries

May is National Inventors' Month, and that got us thinking about who are the most popular inventors found in libraries. So we went to WorldCat and we built a list of the top 25 inventors found in books and movies. #wtworldcat #InventorsMonth

Pi Day!

Top 10 Science Fiction Books of 2014

The 2015 finalists for the Hugo Awards—science fiction’s most prestigious award—were released recently, which got some of us wondering what the top science fiction books of 2014 were for libraries. So here they are, the novels in the science fiction genre published in 2014 with the largest holdings by libraries. #wtworldcat #scifi

Pi Day!

Celebrate Pi Day

In recognition of Pi Day, which is celebrated around the world each year on March 14, here's a list of 8 items in WorldCat whose OCLC numbers align with Pi. #wtworldcat #piday #pi


5 Lists for the Oscars®

With the Oscars® right around the corner, we'd thought it would be fun to find what other works by the nominees are popular with libraries.  #wtworldcat #oscars

Top 10 Science Fiction Books and Movies

Top 10 Science Fiction Books and Movies

Ready for a trek into the history of the future? Scan our list of the most widely held science fiction books and movies in libraries! #wtworldcat #scifi


2014 Book, Music and Film Discoveries from OCLC Research Staff

2014 Book, Music and Film Discoveries from OCLC Research Staff

As 2014 comes to an end, we thought it would be fun to reflect back on the books, movies and music we discovered throughout the year that we really liked. We hope this unique assortment of recommendations will pique your interest and spread a little holiday cheer. #wtworldcat #happyholidays

Save a Turkey - Eat Bugs Instead!

Top 10 Bug Cookbooks

Whether or not you celebrate Thanksgiving, there's plenty more to feast on than turkey. Tired of turkey? Eat bugs instead! #wtworldcat #eatbugs

5 Lists for Halloween: Monsters Battle to Rule Libraries

5 Lists for Halloween: Monsters Battle to Rule Libraries

In celebration of Halloween, we featured a different monster list each week, followed by a battle at the end of the month to reveal which monster rules libraries!  #wtworldcat

Top 10 Scottish Works

Top 10 Scottish Works

The Scottish independence referendum takes place on 18 September 2014, when millions of Scots will vote on whether they want their country to become independent or remain part of the United Kingdom. In recognition of this historic event, we're sharing this list of Top 10 most widely-held Scottish works in libraries. #Scottish #indyref #wtworldcat

Top 10 Pirate Movies

Treasure Aisles: 5 Lists for International Talk Like a Pirate Day

Friday, 19 September is—as every scurvy dog knows—International Talk Like a Pirate Day! Of course we love the holiday itself. How can you not? But as we prepared to do a #talklikeapirateday #wtworldcat list, we realized that pirates actually lead to a rich trove of library booty. They're not just a favorite fictional topic, they have real historic and cultural significance. And so, since we couldn't pick just one thing about pirates to turn into a list, we choose to fire a full broadside of five lists! Arrrr! Avast, etc.! A list of lists! A week's worth of pirate lists to lead you on a quest for library gold! We hope you'll enjoy this treasure trove of pirate resources!

Top 10 Road Trip Movies in Libraries

Collections of Distinction: Ice Cream Parlors, Gandy Dancers, Ragga and More . . .

This grouping of preeminent collections represents just a sample of the unique resources available in public libraries. These rich and varied collections include a mix of books, pamphlets, photographs, music and more.

Top 10 Road Trip Movies in Libraries

Top 10 Road Trip Movies

In celebration of the road trip—a treasured summer tradition—we're featuring the Top 10 Road Trip Movies. Take a look, then take a trip to your local library and check out one or more of these movies for a fun, easy and vicarious way to experience the thrill of the open road.

Top 10 Ships in Libraries

Top 10 Ships in Libraries

Adventurers before us would often begin their journey by setting foot on a ship of some kind, so we went looking for the top ships in libraries. From a comprehensive list of 50,000 schooners, barks, whalers, sloops and other vessels, we selected the ships most represented in library collections.

Long and Short of Libraries

The Long and the Short of Libraries

Whether you're looking for a novel to keep you busy for a long while or a quick read, check out this month's feature for some of the longest novels ever published and a selection of short stories.

Jazz Artists

Top Jazz Artists in Libraries

International Jazz Day is a yearly event on 30 April, organized by the United Nations Educational, Scientific and Cultural Organization (UNESCO) to celebrate “the virtues of jazz as an educational tool, and a force for peace, unity, dialogue and enhanced cooperation among people.”

Alien Abduction Image

Top 10 Alien Abductions in Libraries

Extraterrestrial Abduction Day, also known as Alien Abduction Day, is celebrated on 20 March, and marks a day when some look forward to the possibility of being taken away by little green men.

Love Stories Image

Top 10 Love Stories in Libraries

Saint Valentine's Day, also known as Valentine's Day or the Feast of Saint Valentine, is observed on 14 February each year.

WorldCat® is the world’s largest and most comprehensive catalog of library resources from around the world, with more than 314 million bibliographic records that represent more than 2 billion items held by participating libraries, including books, movies, music, e-books, licensed databases, online periodicals, digital collections and more. Because of its scale, WorldCat can be used to represent a large part of the scholarly and cultural record.