Columbia subject headings:
Harvard University--Study and teaching.
United States--History--Sources--Bibliography.
United States--History--Study and teaching.
United States--Politics and government.
Harvard subject headings:
Harvard University--Curricula.
United States--History--Sources--Bibliography.
United States--History--Study and teaching.
United States--Politics and government.
Princeton subject headings:
Harvard University--Instruction.
United States--History--Sources--Bibliography.
United States--History--Study and teaching.
United States--Politics and government.