Columbia subject headings:
Anschluss movement, 1918-1938.
Austria--Annexation to Germany.
Germany--Foreign relations--Mexico.
Mexico--Foreign relations--1910-1946.
Mexico--Foreign relations--Germany.
Harvard subject headings:
Austria--Annexation to Germany.
Austria--History--Anschluss, 1938.
Germany--Foreign relations--Mexico.
Mexico--Foreign relations--1910-1946.
Mexico--Foreign relations--Germany.
Princeton subject headings:
Anschluss movement, 1918-1938--History--Sources.
Austria--History--1918-1938--Sources.
Germany--History--1918-1933--Sources.
Mexico--Foreign relations--1910-1946--Sources.
Mexico--Foreign relations--Germany--History--Sources.