International authority data from the Online Computer Library Center (OCLC)

Authority data on people, corporations and subjects from the German National Library

Library of Congress Control Number. See [[Wikipedia:Authority control#LCCN]] for formatting instructions

ISNI is a method for uniquely identifying the public identities of contributors to media content such as books, TV programmes, and newspaper articles

Authority data from the National Library of Sweden

Authority data on researchers, academics, etc. The ID range has been defined as a subset of the forthcoming ISNI range

Authority data of people listed in the general catalogue of the National Library of France

Dutch project with material for 40,000 digitized biographies, including former colonies of the Netherlands

An identifying system for scientific authors. The system was introduced in January 2008 by Thomson Reuters. The combined use of the Digital Object Identifier with the ResearcherID allows for a unique association of authors and scientific articles

BIBSYS is a supplier of library and information systems for all Norwegian university Libraries, the National Library of Norway, college libraries, and a number of research libraries and institutions

ULAN is an online database using a controlled vocabulary currently containing around 293,000 names and other information about artists

MusicBrainz is an open music encyclopedia that collects music metadata and makes it available to the public.