Columbia subject headings:
Argentina--History--20th century--Biography.
Ortega Peña, Rodolfo, 1935-1974.
Harvard subject headings:
Argentina--History--20th century--Biography.
Argentina--Politics and government--1955-1983.
Ortega Peña, Rodolfo, 1935-1974.
Politicians--Argentina--Biography
Princeton subject headings:
Argentina--Politics and government--1955-1983.
Ortega Peña, Rodolfo, 1935-1974.
Politicians--Argentina--Biography.