EBSEES: 3 hits for Eastern Europe / Russia, USSR, Russia (Federation) / History (1917

The European Bibliography of Slavic and East European Studies (EBSEES) collects books, journal articles, reviews and dissertations from Eastern Europe (former countries of Eastern Bloc) which were published in Belgium, Germany, Finland, France, Great Britain, the Netherlands, Austria and Switzerland from 1991 to 2007. The segment "Literature" and "Culture" of the European Bibliography of Slavic and East European Studies contains 18.000 bibliographic entries (from the total asset of 85.000). More information can be found here.

Your search for Eastern Europe / Russia, USSR, Russia (Federation) / History (1917 - 1921) / Revolution, Civil War / Caucasus provides 3 hits
1	'On the glacis of India': Lord Curzon and British policy in the Caucasus, 1919 Fisher, John, in: Diplomacy and Statecraft, 8(2), 1997, p. 50-82
2	The Caucasus and the Russian Revolution: from a political viewpoint Rammate, Haidar, in: Central Asian Survey, 10(4), 1991, p. 1-29
3	Revolution and civil war in the North Caucasus, end of the 19th century - beginning of the 20th century Jabagi, Vassan-Giray, in: Central Asian Survey, 10(1-2), 1991, p. 119-32

The European Bibliography of Slavic and East European Studies (EBSEES) - 1991-2007

'On the glacis of India': Lord Curzon and British policy in the Caucasus, 1919

The Caucasus and the Russian Revolution: from a political viewpoint

Revolution and civil war in the North Caucasus, end of the 19th century - beginning of the 20th century