Columbia subject headings:
Clarke, Edward H. (Edward Hammond), 1820-1877. Sex in education.
Women--Education.
Women--Health and hygiene.
Harvard subject headings:
Clarke, Edward H. (Edward Hammond), 1820-1877. Sex in education.
Women--Education
Women--Education--United States--History--19th century.
Women--Health and hygiene--United States--History--19th century.
Women--Health and hygiene.
Princeton subject headings:
Clarke, Edward Hammond, 1820-1877. Sex in education.
Women--Education.
Women--Health and hygiene.