Borʹba Partii Bolʺshevikov Protiv Trot︠s︡kizma v posleokti︠a︡brʹskiĭ period /
Ignatʹev, V. L.
Trotsky, Leon,1879-1940.
Moskva :  Akademii︠a︡ Obshchestvemmykh Nauk prn T︠S︡K KPSS, Kafedra Istorii KPSS, 
1969.
Lenin, Vladimir Ilʹich, 1870-1924.
Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡