Book: Pomerantz Biz Library Reference, HD 2425 .D46
— Lists trade associations, newsletters, magazines and journals, trade shows, directories, databases and websites by industry. Also provides a listing of special issues of magazines.

This is a guide to the websites of prominent organizations and associations, assembled by the Internet Public Library (University of Michigan).

Searchable database with links to the current websites of each association listed.

Lists a large number of trade publications by industry. Free Trade Magazine Subscriptions & Technical Document Downloads

Includes a searchable database of over 15,000 trade shows and conferences, as well as 30,000+ seminars.