Columbia subject headings:
Cabinet officers--United States--Biography--Dictionaries.
Presidents--United States--Biography--Dictionaries.
Statesmen--United States--Biography--Dictionaries.
United States--Officials and employees--Biography--Dictionaries.
Vice-presidents--United States--Biography--Dictionaries.
Harvard subject headings:
Cabinet officers--United States--Biography--Dictionaries.
Presidents--United States--Biography
Presidents--United States--Biography--Dictionaries.
Statesmen--United States--Biography--Dictionaries.
Statesmen--United States--Biography.
United States--Officials and employees--Biography--Dictionaries.
Vice-presidents--United States--Biography--Dictionaries.
Princeton subject headings:
Cabinet officers--United States--Biography--Dictionaries.
Presidents--United States--Biography--Dictionaries.
Statesmen--United States--Biography--Dictionaries.
United States--Officials and employees--Biography--Dictionaries.
Vice-presidents--United States--Biography--Dictionaries.