Volʹter : statʹi i materialy /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Alekseev, Mikhail Pavlovich,1896-
Leningrad : Izd-vo LGOLU,
1947.
John and Ljubica Erickson collection.
Voltaire, 1694-1778.