Vossoedinenie Ukrainy s Rossieǐ /
Boĭko, I. D.
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Moskva : Izd-vo Akademii nauk SSSR,
1954.
John and Ljubica Erickson collection.