RRussian folklore;Russian folklore;de Sokolov, I͡U. M.Ediciones (1)Russian folklore; (1950)MacmillanMás obras de Sokolov, I͡U. M.RRusskiĭ folʹklorRusskiĭ folʹklorRRussian folkloreRussian folkloreRRussian folkloreRussian folklore