Lisovskij, Pe'tr A. (ed.)
[otv. redaktor N.P. Komolova]. Akademija Nauk SSSR: Institut sveob�ej istorii. c<.II.
in Italija i Evropa (cbornik statej). [Italy and Europe(A Collection of Articles)].,
Moscow: IVI AN SSSR, 1990, pp. 360-63, 365, 367-69, 371
Pcdi 1921-29; Comintern