This sub-series consists of the correspondence sent to P. V. Verigin by various members of the CCUB, including: M. Streliaev, I. Shukin, V. Ribin, P. Biriukov, V. Bonch-Bruevich, I. Tregubov, I. Gorbunov-Posadov, G. Rezendort. Some letters refer to the planned arrival of Peter P. Verigin in Canada, others to matters of the Doukhobor leadership. Also, includes correspondence from War Resisters International. All correspondence in this sub-series is mimeographed; some records are originals and some are photocopies. All records are in Russian.

Collection comprises photographs, manuscripts, correspondence, ephemera, books and periodical material resulting from and pertaining to the settlement and subsequent history of Doukhobors in Western Canada. Books and periodical items have been catalogued in the SFU Library Catalogue. Digitized images and accompanying descriptions of a portion of the collection are available on the Doukhobor Collection, 1898-1930 website.