Sarv, H. (2002). Indigenous Europeans east of Moscow: Population and migration patterns of the largest Finno-Ugrian peoples in Russia from the 18th to the 20th centuries. Tartu University Press.

Sarv, H. Indigenous Europeans East of Moscow: Population and Migration Patterns of the Largest Finno-Ugrian Peoples in Russia from the 18th to the 20th Centuries. Tartu: Tartu University Press, 2002.

Sarv, H. Indigenous Europeans East of Moscow: Population and Migration Patterns of the Largest Finno-Ugrian Peoples in Russia from the 18th to the 20th Centuries. Tartu University Press, 2002.