Series consists of loose photographs, diplomas, and other materials.

Series consists of documents related to the fur trade assembled by Roderick Mackenzie. Included is both business and personal correspondents between Roderick Mackenzie, his sons, business partners, and government officials. A number of letters are also from Roderick's brother Henry McKenzie and relate to the estate of Simon McTavish.

The series contains business documents relating to the sale of the Montreal Gazette to Robert Abraham in 1843.

This series contains documents related to Noel Noel-Buxton's personal life and financial transactions, created between roughly 1869 and 1948. Includes material related to Buxton's early education, dental health, and the Noel-Buxton Foundation. Also includes photographs and a drawn portrait of Buxton.

The arrangement of the series reflects the structure of the fonds when it was described by McGill archivists. This may reflect the original order or may be an arrangement that was introduced by Professor H. N. Fieldhouse, who acquired the fonds for McGill and spent many years conducting research in it. 

The series contains newspaper clippings and offprints written by, or on the subject of, Robert Abraham.

The series contains letters written by Robert Abraham to several recipients, including his father and his brother.

The series consists of documents and letters relating to a duel between Vane and MacDougall.

The essays and lectures series is a small collection of published or handwritten documents amassed by the Society. The first essay (file 4.5), submitted by Thomas Stratton, is a handwritten document on the similarities of Gaelic and Latin. The second document (file 10.6) is the transcription of a lecture delivered by Major R. Lachlan on the progress of the Society to 1852.

The last document (file 10.7) is a copy of an essay which was awarded The Prize Medal of the Society for the Encouragement of Arts and Sciences in Canada.