Columbia subject headings:
Germany--Foreign relations--Soviet Union--Sources.
Lenin, Vladimir Ilʹich, 1870-1924.
Soviet Union--Foreign relations--Germany--Sources.
Soviet Union--History--Revolution, 1917-1921--Sources.
Harvard subject headings:
Germany--Foreign relations--Soviet Union--Sources.
Lenin, Vladimir Ilʹich, 1870-1924
Soviet Union--Foreign relations--Germany--Sources.
Soviet Union--History--Revolution, 1917-1921--Sources.
Princeton subject headings:
Germany--Foreign relations--Soviet Union--Sources.
Lenin, Vladimir Ilʹich, 1870-1924.
Soviet Union--Foreign relations--Germany--Sources.
Soviet Union--History--Revolution, 1917-1921--Sources.