Columbia subject headings:
Harvard subject headings:
Gaĭ, Gai͡a Dmitrievich, 1887-1937.
Gaĭ, Gai︠a︡ Dmitrievich, 1887-1937--Fiction.
Soldiers--Soviet Union--Biography
Soviet Union--History--Revolution, 1917-1921--Biography
Princeton subject headings:
Gaĭ, Gai︠a︡ Dmitrievich, 1887-1937.
Soldiers--Soviet Union--Biography.
Soviet Union--History--Revolution, 1917-1921--Biography.