. "Battle for the Donbas" . . . "Battle for the Donbas (1919)" . . . . . . . "Russian SFSR" . . . "White offensive in Donbas" . "protect the Don district" . . . "Battle for the Donbas (1919)" . "Donbas" . "White Army victory" . . . . . . . . . "Heavy" . . "Armed Forces of South Russia" . "Battle of Donbas" . "Black Army" . . "offensive" . . . . . "Battle for the Donbass" . "1919-05-31" . . "40,000\u201350,000" . . . "26,000" .