Library Associations, Organizations and Directories. Professional Library Organizations. The WWW Virtual Library. WorldCat.org: The World's Largest Library Catalog. Informedia Digital Video Library. A librarian's choice of the best of the Web. Welcome to INFOMINE: Scholarly Internet Resource Collections. Calisphere - A World of Digital Resources. Online Archive of California. California Digital Library. Ipl2: Information You Can Trust.
Registry of Digital Collections :Collection.