Reports of L.K. Kumanin from the "Ministerial Pavilion" of the Russian State Duma from December 1911 to February 1917 (executive and legislative branches of the tsarist Russian government)
Bd. Galperin et al., Reports of L.K. Kumanin from the "Ministerial Pavilion" of the Russian State Duma from December 1911 to February 1917 (executive and legislative branches of the tsarist Russian government), VOP ISTOR, (1), 2000, pp. 3-28