Columbia subject headings:
Germany--Foreign relations--United States.
Germany--Politics and government--1888-1918.
Political parties--Germany--History--20th century.
World War, 1914-1918--Germany.
Harvard subject headings:
Germany--Foreign relations--United States.
Germany--Politics and government--1888-1918
Political parties--Germany--History--20th century
United States--Foreign relations--Germany.
United States--Politics and government--1913-1921.
World War, 1914-1918--Germany.
Princeton subject headings:
Germany--Foreign relations--United States.
Germany--Politics and government--1888-1918.
Political parties--Germany--History--20th century.
United States--Foreign relations--Germany.
United States--Politics and government--1913-1921.
World War, 1914-1918--Germany.