See also:

Reference: Libraries: Directories -  (24)

Libdex - - A worldwide directory of library homepages, web-based OPACs, Friends of the Library pages, and library e-commerce affiliate links.

Libraries of the World and Their Catalogues - - Links to national, academic and public libraries and their catalogues.

lib-web-cats - - Searchable database of over 4,500 library web sites and online catalogs worldwide.