Columbia subject headings:
Germany--Foreign relations--Switzerland.
Lenin, Vladimir Ilʹich, 1870-1924.
Switzerland--Foreign relations--Germany.
Harvard subject headings:
Germany--Foreign relations--Switzerland.
Lenin, Vladimir Ilʹich, 1870-1924
Switzerland--Foreign relations--Germany.
Princeton subject headings:
Germany--Foreign relations--Switzerland.
Lenin, Vladimir Ilʹich, 1870-1924.
Switzerland--Foreign relations--Germany.