Foreign investing might just be a click away — provided you know where to go and what to look for.

American Depositary Receipts, or ADRs, allow investors to directly buy foreign company equities listed on U.S. exchanges. The World Wide Web contains a wealth of information about ADRs and where an investor can go to buy them.

Here are a few places you can find out about ADRs on the Web:

• Citibank

wwss.citissb.com/adr/www/index.htm

It features an ADR guide, background and an alphabetical listing of companies.

• Investopedia

www.investopedia.com/university/adr/

The site provides ADR Insights, risks and resources.

• J.P. Morgan

www.adr.com

It offers ADR profiles and research information.

• The Bank of New York

www.bankofny.com/adr/

It provides a survey of companies with ADRs, statistics and performance data.