The International Federation of Library Associations
The Internet Public Library
In The Electronic Library
The Electronic Libraries Programme
M25 Consortium of Higher Education Libraries
Bath Information and Data Service
COPAC
The Project's EARL
RLG – The Research Libraries Group
UKOLN the WWW service
Europeana
The www Virtual Library
Nacionalna i univerzitetska library “Sv. Kliment Ohridski” Skopje
Univerzitetska library “Svetozar Markovic” Added
Nacionalna i sveucilisna knjiznica, Zagreb
Narodna in univerzitetna knjiznica, Ljubljana
The National and University Library of the RS
University of London Library
Oxford Libraries
The Harvard University Library
Yale University Library
Stanford University Library
The University of California-Berkeley
The University of California-Los Angeles Library