Mezhdunarodnoe Polozhenie Rossii nakanune Okti︠a︡brʹskoĭ Revoli︠u︡t︠s︡ii /
Lebedev, Vyacheslav Vladimirovich.
Volobuev, P. V.
Moskva : Akademii︠a︡ Nauk SSSR, Institut Istorii,
1967.