Title: Tri atamana
Subjects: Campaigns, Cossack Participation, Cossacks, History, Sources
Places: Soviet Union
People: Aleksandr Ilʹich Dutov (1864-1921), D. D. Tundutov-Dundukov (1889-1923), G. Semenov (1890-1945)
Time periods: 20th century, Revolution, 1917-1921