Columbia subject headings:
Catholic Church--Mexico--History--Sources.
Church archives--Mexico.
Mexico--Church history--Sources.
Mexico--Social conditions--Sources.
Harvard subject headings:
Catholic Church--Mexico--Archives.
Catholic Church--Mexico--History--Sources.
Church archives--Mexico.
Mexico--Church history--Sources.
Mexico--History--Sources.
Mexico--Social conditions--Sources.
Princeton subject headings:
Catholic Church--Mexico--History--Sources.
Church archives--Mexico.
Mexico--Church history--Sources.
Mexico--Social conditions--Sources.