Columbia subject headings:
Bunin, Ivan Alekseevich, 1870-1953.
Communism and intellectuals--Soviet Union.
Korolenko, Vladimir Galaktionovich, 1853-1921--Correspondence.
Lunacharsky, Anatoly Vasilievich, 1875-1933--Correspondence.
Soviet Union--History--Revolution, 1917-1921.
Harvard subject headings:
Bunin, Ivan Alekseevich, 1870-1953--Biography.
Communism and intellectuals--Soviet Union.
Korolenko, Vladimir Galaktionovich, 1853-1921--Correspondence.
Lunacharsky, Anatoly Vasilievich, 1875-1933--Correspondence.
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings:
Communism and culture--Soviet Union.
Soviet Union--History--Revolution, 1917-1921--Moral and ethical aspects.
Soviet Union--Intellectual life.