The collection contains business correspondence, including letters to William Grant and Grant, Campion & Co. from Brickwood, Pattle, & Co., 1792-1793, and letters from Brickwood & Daniell, John Blackwood, and McTavish, Fraser and Co., 1799-1800. There is also a bound letter book for Grant and Laframboise, Montreal, 1800-1801 with additional loose leaves of letter copies dating between 1798 and 1800.

Papers consist of personal correspondence, including substantial family correspondence, diaries, journals, engagement books, ledgers, menus, manuscript poems, galley proofs, lecture notes, scrapbooks, and photographs. It includes correspondence, 1874-1935; a diary of Drummond's trip to Great Britain, 1902; dinner menus, 1902-1903; engagement books, 1902-1906; galley proofs, 1905-1911; Journal of Impressions kept at Savanna la Mar, Jamaica, Windsor and Montreal, 1903-1911; lecture notes taken at McGill, 1878-1882; ledgers containing financial entries and patients' accounts during Drummond's practice in Knowlton and Montreal, 1885-1889; notebooks containing manuscripts poems, drafts and clippings, 1894-1909; scrapbooks related to literary topics, including clippings about Drummond's public readings, and book reviews, 1854-1907 and scrapbooks related to Drummond's dogs, 1890-1907. There are also some papers of Mrs. W.H. Drummond, including a typescript of her Life of W.H. Drummond; and diaries recording her trips to United States and Canada, 1892, 1903.

These materials consist of eight watercolours, mostly of flowers, done as schoolboy in 1915.

Hatcher's papers are related solely to research and stem for the most part from the beginning of his career. His work with Otto Maass on the production of pure hydrogen peroxide (1918-1919) is documented by four volumes of laboratory records, a fifth containing abstracts of articles on hydrogen peroxide, and one giving a summary of data. Another notebook records observations on electrical measurements (1926).

Fonds concerns Pugsley’s contacts with McGill economics professors during his senior year and as a recent graduate, and his enthusiasm for McGill sports.

His correspondence comprises a letter from Prof. J.P. Day, 1934, responding to Pugsley's views on the roles of government and the banks in the extension of credit, and two letters from Stephen Leacock, one, 1934, commending a review-article by Pugsley, the second, 1935, declining an invitation to give an address. A number of clippings from the McGill Daily and city newspapers record McGill sports events, ca 1932. Two reels of film provide campus views, interior views of classrooms, and sport events at McGill.
Also includes notes and examinations for Economics classes from his student years.

Fonds contains of a typescript of Return to Sea, an autobiography of a former naval man.

The fonds documents Dr. McNally's work in otolaryngology and his lecture notes by Harold S. Dolan, M.D., Dalhousie, 1923.

This collection includes the original manuscript for his History of Canada as well as a large quantity of notes collected for the history.

This archive consists of photocopies of the portion of the ledger of William Lauder, concerning the Arts Building project, 1838-1841. An index to the entire ledger is included.

Graff's papers consist of lecture notes on German literature and political history.