Columbia subject headings:
Belmont, Perry, 1850-1947.
United States--Politics and government--19th century.
United States--Politics and government--20th century.
Harvard subject headings:
United States--Politics and government--19th century.
United States--Politics and government--20th century.
Princeton subject headings:
United States--Politics and government--19th century.
United States--Politics and government--20th century.