En
RuKOMI
KOMI
To the History of the Zyryan Language
Nikolsky, Nikolai Vasilyevich (1878-1961). To the history of the Zyryan language. Kazan: Typo-lithograph of the Imperial University, 1912.
1912
РГБ
To the question of the Zyryan community
Popov, Vasily Filippovich (1866-1927). To the question of the community of Zyryans. St. Petersburg: Printing house of the Ministry of Railways, 1908.
1908
НБ Респ. Коми