Fonds consists of two series:
Series 1 - consists mainly of Black Family business records (1873-1992) including J.L Black and Sons Ltd., Black Realty Company, Eastview Investments Ltd., Westmorland House Antiques, and Black's Hardware Ltd., and the J. Laurence Black files (1903-1991). There are also Joseph L. and Mary Black files, Frank B. Black files, and files of connecting families - Snowball, Borden, and Caldwell. There are property records (1829-1991) which include personal and business transactions of Black family members, Black family investment records, land surveys, maps, architectural drawings, photographs, and negatives.
Series 2 - consists of a collection of material related to the Black family of Sackville, New Brunswick; Joseph L. Black papers, 1899-1907; J.L. Black and Sons, LTD records, 1859-1966; Sackville Public Temperance and Town Hall, Middle Sackville, New Brunswick, records, 1877-1961; Frank Bunting Black papers, 1917-1945; J. William Black; newspapers; R. Ernest Estabrooks, historical sketches of Westmorland County; and miscellaneous.