Reports of L.K. Kumanin from the "Ministerial Pavilion" of the Russian State Duma, December 1911 to February 1917 (executive and legislative branchesof the tsarist Russian government)
Bd. Galperin et al., Reports of L.K. Kumanin from the "Ministerial Pavilion" of the Russian State Duma, December 1911 to February 1917 (executive and legislative branchesof the tsarist Russian government), VOP ISTOR, (11-12), 1999, pp. 3-28