This collection is the first attempt to systematize the publication of documentary materials on the history of the struggle for the establishment and consolidation of Soviet power in the territory that is now part of the Karelian Autonomous Soviet Socialist Republic. The composition of the collection, its chronological facets, structure are subordinated to the main goal - it is possible to more fully cover the course of the revolutionary events of 1917-1918. in Karelia, show the decisive role in these events of the masses, led by the heroic party of the Bolsheviks.