Columbia subject headings:
Germany--Foreign relations--United States.
Germany--Politics and government--1933-1945.
United States--Foreign relations--Germany.
World War, 1939-1945--Causes.
Harvard subject headings:
Ambassadors--United States--Biography
Germany--Foreign relations--United States.
Germany--Politics and government--1933-1945.
United States--Foreign relations--Germany.
World War, 1939-1945--Causes.
Princeton subject headings:
Germany--Foreign relations--United States.
Germany--Politics and government--1933-1945.
United States--Foreign relations--Germany.
World War, 1939-1945--Causes.