Data on women’s employment (and unemployment) and earnings by industry, occupation, education, age, marital status, and other characteristics. Collected through a monthly survey of about 60,000 households.

A shortcut to information and services the Department of Labor offers for women — for example, statistics on "Characteristics of Self-Employed Women."

Compiles data on key gender topics from national statistics agencies, United Nations databases, and surveys conducted or funded by the World Bank.

This non-profit organization has done many important research reports, all of which are available on their web site.

Based in Paris, the OECD collects and compiles data and writes reports from different countries around the world. Check out their statistical database (scroll down and select "Social and Welfare Statistics" to find gender information).

Some 500,000 digitized pages and images, including 3,500 books and pamphlets and 1,200 photographs — great primary documents. From Harvard University.