1. The MacTutor History of Mathematics Archive:
http://www-groups.dcs.st-and.ac.uk/~history/
2. Math Archives: Topics in Mathematics:
http://archives.math.utk.edu/topics/history.html
3. Biographies of Women Mathematicians:
http://www.agnesscott.edu/lriddle/women/women.htm
4. Mathematicians of the Seventeenth and Eighteenth
Centuries:
http://www.maths.tcd.ie/pub/HistMath/People/RBallHist.html
5. Ancient Geometry and Insights into the History of
Mathematics:
http://members.aol.com/bbyars1/contents.html
6. Mathematics: Ancient Science and Its Modern Fates:
http://archive.ncsa.uiuc.edu/SDG/Experimental/vatican.exhibit/exhibit/d-mathematics/Mathematics.html