At head of title, v. 1-2,4,6: V. Bontch-Brouvitch Each vol. has special t.p Vol. 4, 6 has title: Materialy k istorii i izucheniiu russkago sektantstva i ...

Topics духоборы, духоборцы, Dukhobors, Doukhobors, Dukhobory, Dukhobortsy, духовные христиане, spiritual Christians, protestantism, folk-protestants, протестантизм, русские секты, Russian sects, ...