This series consists of the correspondence received and send on behalf of the CCUB by its executive members including: I. Konkin, K. Ribin T. Slaykin, S. Vereshagin, M. P. Glukhov, P. Birukoff, S. V. Kuchin, I. P. Shukin, V. P. Ribin, G. V. Vereshagin, P. G. Aniutushkin, M. W. Cazakoff, I. I. Ivin and V. Makhoni, T. S. Samorodin, V. A. Sukharev [Soukoreff], N. M. Plotnikoff, Cecil Koochin and others. Some correspondence was an exchange between the mentioned members and some was sent out to various governmental agencies in Canada and other organizations. The correspondence relates to the matters of Doukhobor communities in B.C. and Saskatchewan and operations of the CCUB. In specific, some documents relate to financial issues, farming, Doukhobors attitudes toward military service and legal matters. Some letters refer to P. P. Verigin (Chistiakov and some addressed to him. Most documents are mimeographed, except for a few handwritten ones. Many documents are originals and there are also some photocopies of documents. The majority of the documents are in Russian and a few in English.