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.

OCLC.org

Skip to page content.

Sign in to OCLC services

Select an OCLC product or service to sign in to

Changes to support for TLS 1.0 and 1.1

Important information related to OCLC’s Transport Layer Security (TLS) enhancements.

Management services

WorldShare Management Services

WorldShare Metadata Services

Resource sharing services

WorldShare Interlibrary Loan
WorldShare Interlibrary Loan Configuration

Discovery and reference services

FirstSearch
FirstSearch Administration Module

WorldCat Discovery Services

Metadata services

Other services

OCLC Community Center

Policies Directory

Usage Statistics (FirstSearch, WorldCat.org, Digital Collections, etc.)

Dutch services

Management information and statistics for GGC, NCC-IBL, etc.