Bloomberg Businessweek Archive contains indexing, abstracting, and full text for the complete archive of Businessweek, beginning with its first issue in 1929 and ending in December 2000.
Business Source Elite provides full text for over 1,000 business publications. The rich collection of titles in Business Source Elite provides information dating back to 1985. More than 10,100 substantial company profiles from Datamonitor are also included.
Checkpoint is a comprehensive federal, state and international tax database that includes primary source literature, editorial materials, news alerts, a tax thesaurus, and more.
Econlit - "the American Economic Association's electronic database, is the world's foremost source of references to economic literature." It contains over 700,000 records, with some links to full text.