Collection contains over 55,000 glass plate negatives, film negatives, and prints from the Waldren Studios of New Glasgow and Antigonish, Nova Scotia. The majority of these negatives are portraits, nearly all of which are identified and dated. A number of the portraits represent some of the earliest photos of Black Nova Scotians from Pictou, Antigonish and Guysborough counties. Many of the remaining photos are local scenes, a few of which were taken in New Glasgow before the fire in 1874 which devastated the town. The collection contains photographs that depict show coal mining, shipbuilding and other local industries in action. Portraits of family groups, sports teams, social clubs and school groups are also well represented.
Fonds comprises the records of William Edward Maclellan and his family's records, including those of including William Edward and Margaret Jane (Mackenzie) Maclellan; Edward Kirkpatrick and Helen Stewart (Mackay) Maclellan; Robert (Bob) William and Delphine Caroline (Wallace) Maclellan; Jean Stewart Maclellan; Robert William Maclellan; and David Kirkpatrick Stewart Maclellan. Record types include correspondence, photographs, films, newspaper clippings, poems, certificates, booklets, periodicals, notebooks and genealogical charts.
Fonds consists of correspondence with the Canadian Medical Association and its professional journal; manuscripts of papers and addresses; off prints; obituaries of Dr. Hattie; a letter from Secretary of Graduates of McGill University H.C. Pruell (1897); and a letter from Sir J.W. Dawson (1897).