From the Institute for Women's Biography Research, this database contains information on more than 30,000 notable women worldwide. Site is available in English or German.
First Ladies Gallery
Biographies of every First Lady, from Martha Washington to the present.
National Women's Hall of Fame
Official web site for the 35 year old institution based in Seneca Falls, New York; provides detailed information about its 200+ inductees.
Woman's Legal History Biography Project
Detailed (posthumous) biographical sketches of women in the field of law.