Photographer: Unknown. Annotations on envelope: na konverte ¹3507, ¹9661 'Gruppa delegatov plenuma Avamskogo raiona (Volochanka) 28 oktyabrya 1938. I.Baluev. Nacional'nost': Saha, yakuty, russkie, nganasany. Annotations on negative: bez kommentariev. Additional observations: na negative 3390. Condition of original: horoshaya, plenka. Date: 1924. Keywords: etnografiia saha, nganasany, russkie.