Library organisations
American Library Association. Association of College and Research libraries. Rare Books and Manuscripts Section http://www.rbms.info/
CILIP: the Chartered Institute of Library and Information Professionals (UK)
- General http://www.cilip.org.uk
CURL (Consortium of Research Libraries, now renamed RLUK) http://www.rluk.ac.uk/
Dansk Biblioteks Center http://www.dbc.dk
European Commission on Preservation and Access (ECPA) http://www.knaw.nl/ecpa/
European Digital Library http://www.edlproject.eu/
The European Library (TEL) http://www.europeanlibrary.org/
IFLA (International Federation of Library Associations)
- General http://www.ifla.org
- Section on Rare Books and Manuscripts http://www.ifla.org/VII/s18/index.htm
LIBER (The Ligue des Bibliothèques Européennes de Recherche) http://www.libereurope.eu/
Libris http://www.kb.se/libris/
OCLC (Online Computer Library Center) http://www.oclc.org/home
RLG Programs (now part of OCLC) http://www.oclc.org/research/partnership.html
RLUK (Research Libraries UK, formerly CURL) http://www.rluk.ac.uk/
UKB (the Dutch collaborative for University Libraries and the Koninklijke Bibliotheek, the national library of the Netherlands) http://www.ukb.nl
UKOLN (formerly UK Office for Library Networking) http://www.ukoln.ac.uk/
USEMARCON project http://www.bl.uk/bibliographic/usemarcon.html