Svi︠a︡tai︠a︡ Rus' : Bol'shaia Ent︠s︡iklopediĭa Russkogo Naroda : Russkii patriotizm /
Platonov, O. A.
Stepanov, A. D.
Moskva : Ent︠s︡iklopediĭa russkoĭ t︠s︡ivilizat︠s︡ii,
2003.
Encyclopedias and dictionaries, Russian.