Columbia subject headings:
Harvard subject headings:
Cuba--Foreign relations--Germany (East)--Sources.
Cuba. Ministerio del Interior--History--Sources.
Germany (East)--Foreign relations--Cuba--Sources.
Germany (East). Ministerium für Staatssicherheit--History--Sources.
Princeton subject headings:
Cuba--Foreign relations--Germany (East).
Cuba. Ministerio del Interior
Germany (East)--Foreign relations--Cuba.
Germany (East). Ministerium für Staatssicherheit
Internal security--Cuba--History--Sources.
Internal security--Germany (East)--History--Sources.