Finlandskai︠a︡ Literatura i Rossii︠a︡ 1850-1900 / 
Academy of Sciences of the Union of Soviet Socialist Republics (Moscow). - Petrozavodsky Institute of Language, Literature and History.
Karkhu, Ė. G.
Summanen, T. K.
Moskva, 
1964.
[With a bibliography.]