Columbia subject headings:
Kronshtadt (Russia)--History--1917-1921--Sources.
Soviet Union--History--Revolution, 1917-1921--Sources.
Harvard subject headings:
Kronshtadt (Russia)--History--1917-1921--Sources.
Soviet Union--History--Revolution, 1917-1921--Sources.
Princeton subject headings:
Kronshtadt (Russia)--History--1917-1921--Sources.
Soviet Union--History--Revolution, 1917-1921--Sources.