Columbia subject headings:
Calderón, Esteban B. (Esteban Baca)
Mexico--Politics and government--20th century.
Politicians--Mexico--Biography.
Revolutionaries--Mexico--Biography.
Harvard subject headings:
Calderón, Esteban B. (Esteban Baca)
Mexico--Politics and government--20th century.
Politicians--Mexico--Biography
Revolutionaries--Mexico--Biography
Princeton subject headings:
Baca Calderón, Esteban, 1876-1957.
Mexico--Politics and government--1867-1910--Biography.
Mexico--Politics and government--20th century--Biography.
Statesmen--Mexico--Biography.