Title: How the revolution armed
Subjects: Campaigns, Military History, Military art and science, History, Socialism, Strikes and lockouts, Labor unions, Coal mining, Coal miners, Political activity, Kohlenbergbau, Arbeitskampf, Sources, Soviet Union. Sovetskai͡a Armii͡a, Soviet Union. Armii͡a
Places: Soviet Union
Time periods: Revolution, 1917-1921