Serbia) Sʺi︠e︡zd russkikh akademicheskikh organizat︠s︡īĭ zagranit︠s︡eĭ (4th 1928 Belgrade

• Chetvertyĭ sʺezd russkikh akademicheskikh organizat︠s︡īĭ zagranit︠s︡eĭ v Bi︠e︡lgradi︠e︡
• Soi︠u︡za russkikh akademicheskikh organizat︠s︡iĭ za granit︠s︡eĭ
• Trudy IV-go s'i︠e︡zda russkikh akademicheskikh organizat︠s︡īĭ za granit︠s︡eĭ, v Bi︠e︡lgradi︠e︡ 16-23 senti︠a︡bri︠a︡ 1928 goda