Slovar' psevdonimov russkikh pisateleĭ, uchenykh i obshchestvennykh dei︠a︡teleĭ : v chetyrekh tomakh /
Masanov, I. F.(Ivan Filippovich),1874-1945.
Masanov, I︠U︡. I.
Kozʹmin, B. P.
Moskva : Vsesoi︠u︡znai︠a︡ knizhnai︠a︡ palata,
1956-1960.
Each vol. also has special t. p.
Includes bibliographical references.
Anonyms and pseudonyms, Russian.