Photographer: Baluev. Annotations on envelope: ¹ 3815 - Tura Evenk. nac. ok. kolonna uchenikov na demonstracii 1 maya 1938 g. 1938 1 maya Milavenkov A.A.. Annotations on negative: bez kommentariev. Additional observations: na negative ¹3815. Condition of original: horoshee. Date: 1939. Keywords: etnografiia.