Columbia subject headings:
Germany--Foreign relations--1918-1933.
Germany--Politics and government--1918-1933.
Germany. Reichswehrministerium.
Gessler, Dr. (Otto), 1875-1955.
Harvard subject headings:
Germany--Foreign relations--1918-1933.
Germany--Politics and government--1918-1933
Germany. Reichswehr.
Gessler, Dr. (Otto), 1875-1955.
Princeton subject headings:
Germany--Foreign relations--1918-1933.
Germany--Politics and government--1918-1933.
Germany. Reichswehr
Gessler, Dr. (Otto), 1875-1955.