Photographer: Unknown. Annotations on envelope: 3806 - Evenk. n/okr. Pos. Tura. Russkaya polnaya srednyaya shkola. Urok muzyki. Yanv. 1939 g. Baluev I.. Annotations on negative: bez kommentariev. Additional observations: na negative ¹ 3806. Condition of original: horoshee. Date: not recorded. Keywords: etnografiia.