Columbia subject headings:
Germany--Foreign relations--Portugal.
Portugal--Foreign relations--Germany.
Portugal--Politics and government--1933-1974.
Salazar, António de Oliveira, 1889-1970.
Harvard subject headings:
Germany (West)--Foreign relations--Portugal.
Germany (West)--Military relations--Portugal.
Portugal--Foreign relations--Germany (West)
Portugal--Military relations--Germany (West)
Princeton subject headings: