Title: Neizdannye materialy ėkspedit︠s︡ii B.M. i I︠U︡.M. Sokolovykh, 1926-1928
Subjects: Russian Folk poetry, History and criticism, Russian Folk literature, Culture and cultural processes, Ethnology. Social and cultural anthropology, Folk literature, Language and literature, Literature (General), Literature on music, Poetry, Regions of Russia. Periphery