Maria Mitchell - Biography of the 19th century American astronomer.
Nobel Prize Women in Science - Provides complete online access to Sharon Bertsch McGrayne's book (revised 2001 edition). Included are biographies of ten women who have won the Nobel Prize, as well as five other women who contributed to others' attainment of this honor.
4000 Years of Women in Science - Biographies and other information about the contributions of women scientists through history.
