Columbia subject headings:
Cossacks--History--20th century.
Kaledin, Alekseĭ Maksimovich, 1861-1918.
Soviet Union--History--Revolution, 1917-1921--Participation, Cossack.
Harvard subject headings:
Cossacks--History--20th century.
Kaledin, Alekseĭ Maksimovich, 1861-1918
Soviet Union--History--Revolution, 1917-1921--Participation, Cossack.
Princeton subject headings:
Don Cossacks--History.
Kaledin, Alekseĭ Maksimovich, 1861-1918.