40 let Mongolʹskoĭ narodnoĭ revoli︠u︡t︠s︡ii /
Erickson, John,1929-2002,former owner.StEdNL
Erickson, Ljubica,former owner.StEdNL
Lkhamsu̇rėn, B.
Ulan-Bator : Gos. izd-vo MNR,
1961.
John and Ljubica Erickson collection.