Columbia subject headings:
Gaĭ, Gai͡a Dmitrievich, 1887-1937--Fiction.
Soviet Union--History--Revolution, 1917-1921--Fiction.
Harvard subject headings:
Gaĭ, Gai︠a︡ Dmitrievich, 1887-1937--Fiction.
Russia (Federation)--History--Revolution, 1917-1921--Fiction.
Princeton subject headings: