The fonds contains source material on the management and the Church membership of the Barnston Methodist Church from 1875 to 1923. It also provides information on the Way's Mills Union Church from 1931 to 1982. It consists of minutes, a register of baptisms, marriages, and burials, and a circuit register. The fonds is comprised of the following series: Church Boards (1887-1982), Baptisms, Marriages, and Burials (1875-1915), and Membership (1875-1923).

File illustrates the development of roads and the origins of their names in area of Baldwin Mills. It consists of annotated and hand-drawn maps, research documents and notes, correspondence, and notes on resolutions of the Municipality of Barnston’s town council.

File presents research on the history of Baldwin Mills and Barnston. It consists of newspaper articles, research notes, histories of Barnston, a photocopy of a book of notes prepared by Cleveland Thorton, a brochure for H.F. Baldwin Park, research documents, a report titled “Diagnostic environnemental global du bassin versant du Lac Lyster” and minutes, as well as commemorative album “L’album des artistes, fête au village, Baldwin-Mills.”

File contains research on the families of Baldwin Mills and Barnston, primarily in the 20th century. It consists of newspaper articles, research notes, legal documents, interview notes, research documents, a history of Barnston, and copies of land transactions.

Collection primarily contains information on the businesses and families of Barnston and Coaticook from 1816 to 1899. It consists of receipts, invoices, correspondence, historical research, an account ledger, land deeds, a marriage contract, a permit, and birthday books.