Columbia subject headings:
Historical sociology.
Social institutions--United States--History.
United States--Social conditions.
Harvard subject headings:
Historical sociology.
Social institutions--United States--History.
United States--Social conditions--1865-1918.
United States--Social conditions--To 1865.
United States--Social conditions.
Princeton subject headings:
Historical sociology.
Social institutions--United States--History.
United States--Social conditions.