Columbia subject headings:
Arias Madrid, Arnulfo, 1901-1988.
Panama--History--20th century.
Presidents--Panama--Biography.
Harvard subject headings:
Arias Madrid, Arnulfo, 1901-1988.
Panama--History--1903-1946.
Panama--History--1946-1981.
Panama--History--20th century.
Presidents--Panama--Biography.
Princeton subject headings:
Arias Madrid, Arnulfo, 1901-1988.
Panama--History--20th century.
Presidents--Panama--Biography.