Columbia subject headings:
Germany--Foreign relations--1918-1933.
Germany--History--1918-1933.
Germany--Politics and government--1913-1933.
Germany. Heer--Officers--History--20th century.
Germany. Heer--Organization--History--20th century.
Harvard subject headings:
Boetticher, Friedrich von, 1881-1967.
Germany--History--1918-1933.
Germany--Politics and government--1918-1933
Niedermayer, Oskar von, 1885-1948.
Seeckt, Hans von, 1866-1936.
Princeton subject headings: