MacTutor
History of Mathematics.
AWM
Association for Women in Mathematics.
Here are some links to famous people mentioned in Sofya Kovalevskaya's letters.
F.M.
Dostoevskii, author (access
to a site in Russia listing Dostoevskii's works)
Charles
Hermite
mathematician
Sofia
Kovalevskaia mathematician,
author, political
Gosta
Mittag-Leffler
mathematician
Jules
Henri Poincare
mathematician
Alexander
Pushkin author