Accounting & Finance
ABI/INFORM Complete (ProQuest) 
Large collection of periodicals. Many business publications.

BNA Tax Portfolios 
A comprehensive federal tax information database.

Business Source Premier (EBSCO)  
Searches nearly 8,350 scholarly business journals and other sources.

Cabell's Directories  
Directories of publishing opportunities in accounting, economics, finance, management, and marketing.

Checkpoint (from Thomson Reuters)
Includes federal, state, and local tax information.

HeinOnline *
HeinOnline includes U.S Congressional Documents and U.S. law statutes and U.S. treaties, over 2,400 scholarly journals, international constitutions, presidential documents, as well as access to the full text of state and federal case law (powered by Fastcase). 

JSTOR Business Collection  
Digital archives of core titles in finance, accounting, risk assessment, marketing.

Mergent Online  
Financial Information for more than 10,000 US and international countries

ProQuest Accounting & Tax  
The premier scholarly journals in the field. Thousands of working papers. Tax and financial law coverage.

WestlawNext Campus Research 

* = Database trial