Petrov A. Predely Ugorskoy rechi v 1773 g. Po offitsialnym dannym. Issledovaniya i karty. Materialy dlya istorii Ugorskoy Rusi. Vypusk VI./Petrov A. Limits of Ugric Speech in 1773. According to Official Data. Research and Maps. Materials for the History of Ugric Rus. Issue VI. In Russian (ask us if in doubt) - landofmagazines.com

TransliterationPetrov A. Predely Ugorskoy rechi v 1773 g. Po offitsialnym dannym. Issledovaniya i karty. Materialy dlya istorii Ugorskoy Rusi. Vypusk VI.

In EnglishPetrov A. Limits of Ugric Speech in 1773. According to Official Data. Research and Maps. Materials for the History of Ugric Rus. Issue VI. In Russian (ask us if in doubt)

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