Columbia subject headings:
Mayakovsky, Vladimir, 1893-1930.
Soviet Union--History--Revolution, 1917-1921.
Harvard subject headings:
Mayakovsky, Vladimir, 1893-1930.
Soviet Union--History--Revolution, 1917-1921.
Princeton subject headings:
Mayakovsky, Vladimir, 1893-1930.
Soviet Union--History--Revolution, 1917-1921.