Authority Resources

Names AMICUS
  Geographic Names Information System (GNIS)
  Geographical Names of Canada (NLC)
  GEOnet Names Server (GNS)
  Getty Thesaurus of Geographic Names
  Getty Union List of Artist Names Online
  Getty Art & Architecture Thesaurus Online
  NACO Participants' Manual (3rd. ed.)
  PCC: NACO Home Page
   
Subjects CPSO Subject Headings Weekly Lists
  PCC: SACO Home Page
  SACO Participants' Manual (2nd ed. 2007)
  SACO Proposal form for UCLA Library Cataloging Center
  Transportation Research Thesaurus (National Transportation Library) -Demo.
  Web Resources for SACO Proposals (PCC)
   
General AACR 2R Rule Interpretations (National Library of Canada)
  Authority Tools For Audiovisual and Music Catalogers (OLAC)
  Karlsruhe Virtual Catalog (Germany)
  Library of Congress Authority File
  Web Resources for SACO Proposals (PCC)
  University of Washington Name & Subject Authorities Resource List
  W.E.B. Du Bois Library - Authority Work