Nikolaĭ Aleksandrovich Dobroli︠u︡bov v portretakh illi︠u︡strat︠s︡ii︠a︡kh dokumentakh /
Grudinin, I. E.
Grigorʹi︠a︡n, K. N.
Leningrad : Prosveshchenie,
1969.
Dobroli︠u︡bov, Nikolaĭ Aleksandrovich.