The monograph presents the history of the White Siberian Army, which was the largest association of anti-Bolshevik armed forces at the initial stage of the large-scale Civil War in Russia. This army was initially formed as a combination of the armed forces of the Provisional Siberian Government, and then became the basis of the Russian army of Admiral A.V. Kolchak. On the basis of a wide range of sources, first introduced into scientific circulation, the system of management, manning and material and technical equipment of the Siberian Army was studied, the process of its formation was shown - from the organization of individual volunteer detachments to their unification into regular military units and formations.