Columbia subject headings:
Europe, Eastern--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Europe, Eastern.
Intervention (International law)
Harvard subject headings:
Europe, Eastern--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Europe, Eastern.
Internaitonal relations.
International relations
Intervention (International law)
Princeton subject headings:
Europe, Eastern--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Europe, Eastern.
Intervention (International law)