Fonds contains six series:;I. Robert G. Brett series, 1873-1926, 36 cm of textual records, consisting of: A. Personal papers, 1873-1926 (1. Correspondence, 2. Financial papers, 3. Other papers); B. Business papers, 1897-1925, (1. Banff businesses, 2. Businesses outside Banff); C. Professional papers, 1889-1925 (1. Political correspondence, 2. Official correspondence, 3. Other material). II. Louise H. Brett series, [between1855 and 1935], 10 cm of textual records, consisting of: A. Writing, betw.1885 and 1935; B. Scrapbooks, ca.1900, ca.1910; C. Diaries and letters, 1912-1925; D. Other, ca.1870-1924. III. Reginald H. "Harry" Brett series, ca.1910-1921, 10.5 cm of textual records, print material and photographs. Consists of: A. Personal papers, ca.1910 (1.Scrapbooks, 2. Ephemera); B. Business papers, 1912-1921. IV. Helen Brett series, 1925-1965, 4.5 cm of textual records, consisting of: A. Correspondence, 1927-1950; B. R. G. Brett estate papers, 1925-1949; C. Financial and business records, 1936-1962; D. Other, 1935-1965. V. Brett family series, [ca.1860-ca.1935], consisting of : A. Photographs albums, ca.1860-ca.1910; B. Photographs, ca.1875-ca.1935. VI. Other material series, [before 1928], 2 cm of textual records, consisting of: A. Annie McLauchlin papers, 1914-1928; B. Other, before 1925.