Columbia subject headings:
Harvard subject headings:
Germany--History--Night of the Long Knives, 1934.
Germany. Heer--History.
Germany. Reichswehr
Germany. Reichswehr (1921-1935)
Röhm, Ernst, 1887-1934.
Princeton subject headings:
Germany. Heer--History.
Germany. Reichswehr (1921-1935)
Röhm, Ernst, 1887-1934.