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Peoples of Central Asia
Krader, Lawrence, (1963)
Chozjajstvo Karakalpakii v XIX - načale XX veka : Materialy k istoriko-ėtnografičeskomu atlasu Srednej Azii i Kazachstana
Ždanko, Tatʹjana Aleksandrovna, (1972)
De volkeren van Europa en de strijd der nationaliteiten
Schamelhout, Gustaaf, (1930)
Problems of the ethnic history of the peoples of North-Eastern Siberia in contemporary focus
Vdovin, I. S., (1974)
Torgovye svjazi naselnija Severo-Vostoka Sibiri i Aljaski (do načala 20 veka)
Vdovin, I. S., (1964)