Columbia subject headings:
Franco, Francisco, 1892-1975.
Germany--Foreign relations--Spain.
Hitler, Adolf, 1889-1945.
Spain--Foreign relations--Germany.
Harvard subject headings:
Franco, Francisco, 1892-1975
Germany--Foreign relations--Spain.
Hitler, Adolf, 1889-1945
Spain--Foreign relations--Germany.
Princeton subject headings:
Franco, Francisco, 1892-1975.
Germany--Foreign relations--Spain.
Hitler, Adolf, 1889-1945.
Spain--Foreign relations--Germany.