Each entry is coded with a graphic symbol that clearly identifies one of 29 distinct areas of human endeavor, including: politics - and politically powerful women; human rights - sexual harassment, family leave,female castration, woman suffrage, the labor movement; science - astronomers, geneticists, mathematicians; medicine - physicians, nurses, and midwives, plus issues involving women's health and medical treatment; religion - religious orders, religious leaders, saints; education - educators, schools, colleges, and sororities; transportation; communications; literature; art; music; sports; architecture; crime; agriculture; nutrition; and more than a dozen other fields.