Columbia subject headings:
Political activists--Biography--Dictionaries.
Politicians--Biography--Dictionaries.
Statesmen--Biography--Dictionaries.
Harvard subject headings:
Political activists--Biography--Dictionaries.
Politicians--Biography--Dictionaries.
Statesmen--Biography--Dictionaries.
Princeton subject headings:
Dictionaries.
Political activists--Biography--Dictionaries.
Politicians--Biography--Dictionaries.
Statesmen--Biography--Dictionaries.