Общество изучения Урала, Сибири и Дальнего Востока, Комитет содействия народностям северных окраин при ВЦИК = Society for Study of Ural, Siberia and the Far East, the Commission of the All-Russian Central Executive Committee for the Assistance to the Northerrn [i.e. Northern] TribesIDC[19--?]