Sot︠s︡iologcheskie, filosofskie i ėsteticheskie vzgli︠a︡dy N.A. Dobroli︠u︡bova / 
Academy of Sciences of the Union of Soviet Socialist Republics (Moscow). - Institute of Philosophy.
Naumova, M. A.
Vaset︠s︡kiĭ, G. S.
Moskva, 
1960.