Columbia subject headings:
Bishops--Mexico--Biography.
Catholic Church--Political activity--Mexico--History--20th century.
Church and state--Mexico--History--20th century.
Martínez, Luis M. (Luis María), 1881-1956.
Harvard subject headings:
Catholic Church--Mexico--Bishops--Biography.
Catholic Church--Political activity--Mexico--History--20th century.
Church and state--Catholic Church
Church and state--Mexico--History--20th century
Martínez, Luis M. (Luis Maria), 1881-1956.
Princeton subject headings: