Photographer: Baluev. Annotations on envelope: ¹ 3816 - Tura Evenk. nac. ok. kolonna uchenikov v den' demonstracii 1 maya 1938 g. 1938 1 maya Milavenkov A.A.. Annotations on negative: bez kommentariev. Additional observations: na negative ¹3816. Condition of original: horoshee. Date: 1939. Keywords: etnografiia.