Most of this collection consists of the selected incoming personal correspondence of Caroline H. Pelton, 1846-1873, and some correspondence of members of her family, 1842-1905. Also included are two diplomas awarded to Caroline Pelton from the McGill Normal School, 1860 and 1861 and family photographs. There are also selected financial records of St. George's Church, Montréal, 1882-1885.

Fonds mainly consists of research materials and preliminary drafts for Miller's history of the McGill Faculty Club. These include transcripts from the Club's Council minutes, the McGill University scrapbooks and the minutes of the University Club, as well as originals and copies of contributions by John Bland (on the architecture of the building), T.H. Matthews (on the admission of women) and F.R. Scott (on the social atmosphere). As well as Miller's typescript of the history, there are drafts of his outgoing letters to contributors and colleagues, some incoming letters and copies of Club Council meetings dealing with the history. There is also correspondence arising from Miller's chairmanship of local arrangements for the annual meeting of the Canadian Historical Association in 1972.

Collection consists of 36 autograph letters written to James Cameron and his son Archie. The correspondence includes letters by friends, associates, and members of the Cameron family in Toronto, Lake Beauport, Scotland, England, Hull, and Montreal. Subjects include family news, freemasonry, business (regarding deed of sales), factory work in Toronto, curling, and an April Fools' Day letter. With three extant envelopes.

Fonds documents Burton Chance's links with Casey A. Wood from 1922 until Wood's death in 1942. The fonds contains correspondence between the two men, reprints of C.A. Wood and letters from various correspondents concerning C.A. Wood.

The fonds contains drawings of two unidentified houses and 50 photographs documenting Wright's designs of houses as well as Wright's correspondence.

These papers almost exclusively consist of records of his research and publications. His publications files contain drafts of various scientific papers, largely on secretions, correspondence regarding the reception of Die Aussere Sekretion der Verdauungsdrusen (1928) and negotiations surronding the publication of the Pavlov biography, and a biographical file containing a curriculum vitae, bibliography, and correspondence concerning appointments, honorary degrees, (1923-1948). Research materials comprise six volumes of reports on laboratory experiments and a file of daily laboratory reports (1923-1943). Babkin's professional correspondence with scholars and scientific associations covers the years 1928 to 1943. Most of the letters, incoming and drafts of outoing, concern research problems, consultation on draft articles by colleagues, and Babkin's own publications. There are also negotiations for speaking engagements, and a scattering of items on Babkin's social involvements, e.g. relief for Russian refugees, and letters from students.

The fonds documents mainly Babkin's professional interests in physiology, especially glandular secretions and the nervous system. The fonds contains correspondence; lecture notes; citations; research notes and papers, including manuscripts sent to him by his colleagues; reprints of scientific articles mainly in Russian; and material used in the preparation of the biography of Ivan Pavlov. The latter contains correspondence with Ivan Petrovich Pavlov and members of his family, 1923-1948; photographs and portraits; and an unabridged typescript copy of Parts 1-3 of Pavlov: a Biography, with manuscript corrections, 1943-1946.

The collection consists primarily of correspondence on natural history topics between scientists and natural historians. Letters are sometimes accompanied by journal articles.

Figures with significant correspondence within the collection include: Casey Albert Wood, Henry Mousley, Robert Ridgway, and Bowdler Sharpe.

Fonds consists of autographed signed letter from Workman to John Auld of Montreal on Workman’s engraved stationery (Matthews lithographer), 25 November 1852.

Consists of letter from Lord Selkirk to Captain Benjamin Walker dated 14 June 1816 concerning the sale of Selkirk’s land at Salmon River, New York, and his impending departure for the Red River.