Columbia subject headings:
Harvard subject headings:
Martov, L., 1873-1923
Revolutionaries--Soviet Union--Correspondence
Revolutionaries--Soviet Union--Personal narratives.
Russia--Politics and government--1894-1917.
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings:
Martov, L., 1873-1923.
Politicians--Russia--Biography.
Revolutionaries--Russia--Biography.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡--Biography.
Russia--Politics and government--1894-1917.