En
RuTrotsky Lev Davydovich (1879–1940)
Trotsky Lev Davydovich (1879–1940)
Зив Г. А. Троцкий: Характеристика: (по лич. воспоминаниям). Нью-Йорк, 1921. 96 с.
DI Mendeleev and Marxism
Trotsky, Lev Davydovich (1879-1940). DI Mendeleev and Marxism. Moscow: State Publishing House, 1925; Leningrad.
1925
ГОПБ
Leonid Trotsky and other participants of the "Process-37", members of the Military Organization under the St. Petersburg Committee of the Social Democrats (Bolsheviks)
LD Trotsky and other participants of the "Process-37", members of the Military Organization under the St. Petersburg Committee of Social Democrats (Bolsheviks). Moscow, December 1926.
1926
РГАКФД