Photographer: Unknown. Annotations on envelope: Dudinka. Laboratornye zanyatiia v okruzhnoi kolhoznoi shkole. ¹540-32, 9632, 50_288. Annotations on negative: bez kommentariev. Additional observations: na negative ¹540-32. Condition of original: horoshaya, uzkoplenochnyi negativ. Date: 1913. Keywords: etnografiia kul'tura, inorodcy.