Northern Mongolia.2: Preliminary reports of the linguistic and archaeological expedition on the work performed in 1925

Northern Mongolia.2: Preliminary reports of the linguistic and archaeological expedition on the work performed in 1925 / Commission.by scientific.study.Mongol.And Tannu-Tuvinsk.republics, comp.Under the Council of Nar.Commissars of the USSR.- Leningrad: Publishing House Acad.Sciences of the USSR, 1927. -605: Territory..Source of an electronic copy: Russian Geographical Society