:: Directory of Illinois LibrariesCompiled by the Illinois State Library.:: The Virtual Reference ShelfA list of web accessible directories compiled by the Library of Congress. Includes postal directories, a directory of all the hospitals in the USA, and much more.:: Telephone Directories on the WebThis directory contains an index of online phone books from over 170 countries. Included are links to yellow pages, white pages, business directories, e-mail addresses, and fax listings.