- History of Mathematics Archive
- Biographies, theories, and more.
- Biographies of Women Mathematicians
- Illustrates the numerous achievements of women in the field of mathematics. Biographies can be accessed alphabetically or chronologically.
- Biographical Dictionary
- More than 25,000 notable men and women who have shaped our world from ancient times to the present day. It can be searched by names, birth years, death years, positions held, professions, literary and artistic works, miscellaneous achievements, and other keywords.
- A&E Biography
- Includes a searchable and browsable online collection of 15,000 cross-referenced biographies from the Cambridge Biographical Encyclopedia.