Columbia subject headings:
Health education--United States--History--19th century.
Medical literature--United States--History--19th century.
Social medicine--United States--History--19th century.
United States--Moral conditions.
United States--Social conditions--1865-1918.
Harvard subject headings:
Health education--United States--History--19th century.
Medical literature--United States--History--19th century.
Social medicine--United States--History--19th century.
United States--Moral conditions.
United States--Social conditions--1865-1918.
Princeton subject headings:
Health education--United States--History--19th century.
Social medicine--United States--History--19th century.
United States--Moral conditions.
United States--Social conditions--1865-1918.