Slagaemye masterstva pedagoga /
Podunov, A. S.(Avgust Sergeevich)
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Moskva : Izd-vo DOSAAF,
1980.
Bibliography.
John and Ljubica Erickson collection.