Columbia subject headings:
Presidents--United States--Biography.
Reagan, Ronald.
United States--Politics and government--1981-1989.
Harvard subject headings:
Presidents--United States--Biography
Reagan, Ronald
United States--Politics and government--1981-1989.
United States--Politics and government--1989-
Princeton subject headings:
Presidents--United States--Biography.
Reagan, Ronald.
United States--Politics and government--1981-.