Bellair's personal papers comprise scrapbooks, 1898-1939; biographical, parliamentary and miscellaneous notes, 1879-1945; and correspondence, 1889-1951. His professional life is reflected in files on naval affairs, 1894-1937, and in an extensive series of political papers including general correspondence and subject files, 1905-1946; material relating to committees, 1904-1930; and political 'forecasts', 1900-1945. Literary interests are revealed by notes on Sir John Fisher, 1915, and H.G. Wells, 1932-1934. Some books from Bellairs' library, with his annotations, are included in his papers.

This collection consists of materials dated from approximately 1850-1981, but predominantly from 1913-1940, relating to Dr. Casey Albert Wood’s research, writing, correspondence, and personal interest concerning ornithology, vertebrate zoology, memoir and family history, Emma Shearer Wood and Blacker Library collection development, ophthalmology, politics, and current events. Materials relate chiefly to Wood’s “Introduction to the Literature of Vertebrate Zoology” (1921-1956), falconry (1930s), his unpublished memoir (1930s), the development of McGill University’s Emma Shearer Wood and Blacker Libraries (1918-1941), the history of ophthalmology (1925-1936), “Fundus Oculi” (1911-1934), his travels and research expeditions studying birds in their natural habitat (1920-1940), political interests, and correspondence relating to these activities and subjects.

There are approximately 2902 incoming and outgoing pieces of correspondence including letters, postcards, notes, telegrams, and cards. Series 1) Research and writing, contains the largest volume of correspondence relating to “the Introduction to the Literature of Vertebrate Zoology.” While Series 2) Research trips, contains the largest portion of photographs. Other materials in this collection include research notes, manuscripts, page and galley proofs, book and article reprint publications, postcards, artwork, glass plate negatives, book plates, palm leaf manuscripts, artefacts, printed ephemera, clippings, journals, and administration and financial records relating to Wood’s publications or the Emma Shearer Wood and Blacker Libraries.

There are gaps within this collection relating to geographic locations, as not all locations Wood is known to have visited are represented or are only minimally represented. Asian countries, such as China or Japan, are not represented in this collection. While geographic locations that are prominent within the collection are Fiji, Sri Lanka and India.

The series consists of 1) research and writing (ca. 1850-1956); 2) research trips (1920-1937); 3) scrapbooks (1887-1946); 4) collection development (1918-1941); 5) published books (1907-1981); 6) artefacts (191-?, 1920-1937); and 7) glass negative plates (1924, 1927, 1930, 1956).

Collection consists chiefly of an album of photographs and clippings compiled by Cecile (Burroughs) Masson. Captions date the photographs to between 1915 and 1940, with one earlier photograph from 1883 that depicts Cecile and Rodrigue Masson's wedding. Many of the personal photographs depict members of the Masson family taken in Terrebonne, Quebec (where the Masson family home was located), in Ottawa, and during travels to Italy, London, the south of France. There are 28 leaves of full page plates of travel photographs from France, Italy, and Africa. Also included in the album are postcards and newspaper clippings. One series of postcards depicts architecture in Terrebonne, Quebec. The clippings include a letter to the editor written by L. R. Masson (Mrs. L. A. Globensky) and published in the Montreal Star, 1939. Other clippings relate to the S-Plan, a bombing campaign by the Ireland Republic Army, in 1939, as well as the British royal family. The album is half bound in faux black morocco and pebbled cloth boards with the initials C. M. stamped in gilt on the front cover. A caption at the head of the second leaf reads "This album is for mother from Grace", with "mother" crossed out. An inscription on the first leaf reads "This is for my dear daughter Cecile. Many happy memories of the past - affectionately from Mother." The collection also includes two loose black and white photograph portraits, one of which is inscribed to Aunt Cecile.

Fonds consists of a printed copy of Babbage's autobiographical Passages from the Life of a Philosopher (1864) interleaved with his letters, 1804-1847, from contemporary scientists, including John Dalton, Michael Faraday, Hans Christian Oersted, Sir George Biddell Airy, Isambard Kingdom Brunel, Sir Richard Owen, and H. F. Talbot.

Locock's correspondence consists of letters from Richard Garnett, William Michael Rossetti, E. Dowden, H.B. Forman, I.C. Shelley, G.E. Woodberry and others concerning the text of Shelley's poems and Locock's edition.

Fonds consists of a one document, a manuscript of reminiscences of Charles James, born in Montreal in 1835. The document is internally dated in April 1915. James describes his childhood as the son of a carriage and sleigh builder born in England who conducted much business for the British military stationed in Montreal. The family resided on Craig Street. Reminiscences include descriptions of Montreal, the building of the locks on the Lachine canal, a trip up the Ottawa River to Bytown (Ottawa) and then to Kingston, where the family resided for a time. James joined his father in the trade of carriage trimming as a young man before becoming a Baptist minister in Stratford, Canada, and later Wellesley.

Collection consists of Canadiana assembled by Charles Kadwell: Canadiana: or, A medley of sundry matters in print and manuscript, relating principally to the Canadas; (during the period of the rebel-lions;) the other British North American colonies; and the neighbouring United States; with views, maps, plans, portraits, &c. and private journals. 2 vol. Folio. Vol 1 includes "Remarks during a voyage from London to Montreal in the year 1832"; "Notes during a trip from Montreal to Upper Canada... 3rd-18th August 1838"; "Calendar of remarkable events relating to British North America and the United States". Mostly cuttings from newspapers. A pedigree of the Kadwell family has been inserted by L.G. Macdonald, Q.C., and annotated by Robert Howard. Vol. 2, mostly newspapers.

Fonds consists of manuscripts of 43 of Kingsley's sermons.

Sangster's papers include two notebooks one containing subscriptions to Hesperus and Other Poems, 1860; and the other containing subscriptions to The St.Lawrence and the Saguenay, 1856; with newspaper reviews of his work, 1856-1887, as well as manuscript versions of Hesperus and other poems and Passing Thoughts. Also included are autograph notes concerning himself and his family; a phrenological character of Sangster, 1859, and a typescript made at McGill of his poems.

This material documents the estate of Mrs. Charlotte Frobisher and includes a copy of her will and an inventory, 1820.