Oil Fields

Gansberg, A.G. Pechetero-Ukhta oil.Moscow: A.P.Kornilov, 1904.

НБР Коми

Zhuravsky, Andrey.Subpolar Russia.Arkhangelsk: lips.Type., 1908.

Ban RAS

Oil in the north of Russia: an essay on the Ukhta oil region;(Dep.

НБР Коми

Nikolsky Boris Vladimirovich, historian of law, professor of St. George's and Petersburg's universities, one of the leaders of the main council of the "Russian Assembly," a poet, a critic.
Notes of the engineer V. Ya. Beloborodov. 1) "Ukhta oil". 2) "Analysis of Ukhta oil." 3) "The resettlement issue in the Pechora region."

Государственный архив Российской Федерации