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