Many large institutions maintain lists of web sites.
Best of the Best' Business Web Sites A subject guide to the 'Best of the Best' Business Web sites in a number of broad business categories. The Lippincott Library of the Wharton School maintains an extensive list of Web sites easily searched by subject. An excellent source for sites. This contains links to useful guides of economics resources ranging from general economic guides to working papers. Keyword searching is available as well as the usual alphabetical and subject searching of links.