The collection consists primarily textual materials relating to the creation of the United Church and the associated Commission Pursuant to the United Church of Canada Act. Contents include: commission proceedings; orders relating to property; and collected correspondence and other materials relating to non-concurring Presbyterian congregations in Saskatchewan.

The collection consists of minutes, correspondence and publications created by and relating to the Saskatchewan Provincial Church Union Committee. The Committee was formed on July 26, 1923 by representatives of the Saskatchewan Methodist Conference and the Presbyterian Synod of Saskatchewan, to take preliminary steps to effect Church Union in Saskatchewan. Representatives of the congregational Churches were also invited to be on the committee.