Columbia subject headings:
Harvard subject headings:
Diplomatic and consular service, German--Islamic countries--History.
Diplomats--Germany--Biography
Geerdts, Klaus.
Germany--Foreign relations--20th century.
Germany. Auswärtiges Amt--Biography.
Princeton subject headings:
Diplomatic and consular service, German--Islamic countries--History.
Diplomats--Germany--Biography.
Geerdts, Klaus.
Germany--Foreign relations--20th century.
Germany. Auswärtiges Amt--Biography.