Bureau Van Dijk is the publisher of DIANE, also available at the ESSEC library.

Moodys: Information on credit market conditions, ratings, etc.

Standard & Poors: Equity and credit research data on public companies from the providers of Compustat. The latter is available at the ESSEC library.

Standard & Poor's Leveraged Commentary & Data (LCD), provides information on leveraged finance.

Thomson Financial keeps several important databases related to PE, some of which are available at ESSEC library.

The Center for Private Equity and Entrepreneurship at Dartmouth.

The CMBOR collects data on European Private Equity and provides research analysis on-demand.

The Hicks, Muse, Tate & Furst (HMTF) Center for Private Equity Finance at The University of Texas at Austin.

Steve Kaplan has written much of the fundamental literature on LBOs. He keeps recent papers on his research page.

Josh Lerner at Harvard keeps an excellent page on Venture Capital.

The NBER paper collection is also available at the ESSEC library.

Alternext: the Euronext market tailored for small and mid-sized companies.

AMF: a wealth of information on the French market and its regulatory context.

Euronext

The Federal Trade Commission and its antitrust arm, the Bureau of Competition, enforce antitrust policy in the U.S.

FTSE is an index provider owned by the FT and the London Stock Exchange.

London Stock Exchange: The LSE is also the home to AIM, the Alternative Investment Market dedicated to small and mid-sized companies.

Nasdaq

Nyse Group Stoxx: an index provider owned by the Dow Jones.

Site of the US Securities and Exchange Commission, home to the EDGAR database of corporate filings.