Columbia subject headings:
Harvard subject headings:
Heads of state--Soviet Union--Biography.
Lenin, Vladimir Ilʹich, 1870-1924--Psychology.
Revolutionaries--Soviet Union--Biography
Soviet Union--Biography.
Soviet Union--History--Revolution, 1917-1921--Biography
Stalin, Joseph, 1878-1953--Psychology.
Trotsky, Leon, 1879-1940--Psychology.
Princeton subject headings:
Heads of state--Soviet Union--Biography.
Lenin, Vladimir Ilʹich, 1870-1924--Psychology.
Revolutionaries--Soviet Union--Biography.
Soviet Union--Biography.
Soviet Union--History--Revolution, 1917-1921--Biography.
Stalin, Joseph, 1878-1953--Psychology.
Trotsky, Leon, 1879-1940--Psychology.