Columbia subject headings:
Bern (Switzerland)--History.
Lenin, Vladimir Ilʹich, 1870-1924--Homes and haunts--Switzerland--Bern.
Lenin, Vladimir Ilʹich, 1870-1924--Homes and haunts--Switzerland--Zurich.
Revolutionaries--Soviet Union--Biography.
Zurich (Switzerland)--History.
Harvard subject headings:
Bern (Switzerland)--History.
Lenin, Vladimir Ilʹich, 1870-1924--Homes and haunts--Switzerland--Bern.
Lenin, Vladimir Ilʹich, 1870-1924--Homes and haunts--Switzerland--Zurich.
Revolutionaries--Soviet Union--Biography
Zurich (Switzerland)--History.
Princeton subject headings: