Degott, Vladimir
[In "free" clandestinity (Memoirs of clandestine work abroad in the years 1919-1921)]
Moscow-Petrograd: Gosudasrtvennoe Izdatel'stvo, 1923
Bolscevichi Agenti; Wizner, Aron (o Wisner); Testimonianze, Urss; Riedel, Daniel; Comintern
