Correspondence 1921-1931 concerning Simon McTavish; official copies of legal documents including estate inventories, lawsuits over the McTavish estate, and Simon McTavish’s will; notes for Baylis’ study of McTavish; numerous petitions and newspaper clippings on the state of the McTavish monument and tomb (Peel St., Montreal), and a typescript of his text concerning Simon McTavish. Also two letters from Ignatius Donnelly, 1899, and a letter 1895, from J. Middleton to John Doyle about 19th century gardening in Montreal and the funeral of Judge James Reid.

Fonds consists of general professional correspondence, 1913-1961, including Maass’ outgoing letters for 1946-1954. Topics covered include defence research, the Pulp and Paper Institute, N.R.C. appointments, visits of scientists, and political questions (e.g. letters to and from Lester Pearson on NATO and the nuclear deterrant). There are also letters of recommendation by Maass, and personal communications from colleagues. A special binder of congratulatory letters marks his election to the Royal Society (1940), and there are similar files on his retirement (1955), and of condolences to his widow at his death (1961). Maass also assembled photostat copies of letters by eminent 19th century British scientists addressed to his great uncle, Prof. Plucker of Bonn.

Studies and research are documented by a physics laboratory notebook (1908-1909), and a "summary of data on hydrogen peroxide" collected in collaboration with W. Hatcher (1918-1919). A few addresses on the Canadian Institute of Chemistry (1939), the Pulp and Paper Research Institute (1945), and the relation between the Defence Research Board and the universities are included.

Fonds consists of correspondence and literary manuscripts, documenting all aspects of MacMillan’s career. Biographical background is provided by his own notes on his life and family history. From his student years come certificates and testimonials in support of his application for a Rhodes Scholarship (1904-1909). His war experience is recorded in letters from the front preserved by his family, and by a personal diary for 1917. There are also approximately twenty photographs of Macmillan and his family taken between about 1905 and 1940.

Macmillan's correspondence includes files of letters to his wife (1917-1936) on his war service and political affairs; personal and social letters (1923-1929); political correspondence, including several letters from McKenzie King (1926-1946); letters concerning McGill, including a number from Sir Arthur Currie and from Stephen Leacock (1920-1947); post-retirement correspondence on McGill and public affairs; and correspondence concerning his publications (1920-1960). There are also files of invitations to events at McGill and elsewhere.

The manuscripts fall into two categories: political speeches and literary manuscripts. Besides notes and texts for his own speeches, there are also texts of, and newspaper clippings about speeches written by Macmillan for Sir Arthur Currie and others (1920-1950). Drafts and typescripts of his literary works are supplemented by notes, clippings and correspondence.

The Aileen Ross fonds consists mainly of correspondence (1935-1990), research files, a brief autobiography (1940-1980), biographical material (1920-1990), and specific talks (1942-1973). Included are personal diaries (1918-1962), appointment books (1946-1992), and Matthew Ibbotson's correspondence to Ross (1921-1927). Books, original and printed articles, newspaper clippings, and reviews of books and articles are also part of the collection. Non textual records consist of several photographs.

These scattered items of correspondence deal with Porter's resignation from the Cincinnati, Hamilton and Dayton Railroad Co. (1892), stock purchases (1907) and other financial matters (1927-1928).

Challies' papers are related to his teaching career at McGill. They consist of two binders of lecture notes and one of case materials for his course in Civil Procedure (1946-1966), and a file of correspondence, course materials and examinations for his course in Engineering Law (1969-1971).

Apart from a printed copy of his LL.D. thesis on the idea of atonement amongst the ancient Hebrews, and a copy of examination questions in mathematics set by him, Duff's papers are almost entirely concerned with his application for the Bradford position in 1877. These comprise letters of recommendation from J. W. Dawson, Alexander Johnson (Vice-Dean of the Faculty of Arts), and two professors at Andover Theological Seminary, as well as copies of a letter from A.M. Fairbairn of Aberdeen, encouraging Duff to apply for the post. There is also a copy of Duff's letter to the secretary of the Congregational College in which he declines an offer of teaching work.

The bulk of Eakins' papers concern his work as a geologist and consultant for the mining industry. His Peruvian period is covered by correspondence, reports and newsletters on the San Jose prospect for the Cerro de Pasco Corporation, 1952-1956. His work with Mineral Management Ltd. (1956-1959) is documented by correspondence on mining investments and exploration. There are also files raised by Eakins for his reports on the Axel Heiberg Island project, 1962-1969 and Eakins' participation in the first Canadian workshop on "Education in the Earth Sciences" (Sudbury 1971), and the International Geological Conference of 1972. There is also correspondence, memoranda and notes relating to the history of geology at McGill and in Québec, and some correspondence with Geology Department staff members and students.

The Files papers document his activities as administrator of the Humanities Group and the English Department (ca 1946-1956, with some earlier material) and as a teacher. Administrative materials comprise about 1.5 m of information and correspondence files concerning the business of Senate, the Faculties of Arts and Science and Graduate Studies, the Humanities Group of the Arts Faculty, and the English Department. English Department material forms the largest part of the papers with files on honours and graduate students (including sessional registration forms), reading lists, examinations, awards, job applications, examination of theses, the administration of Moyse Hall, freshman orientation, and personal as well as general correspondence. There are also files pertaining to Files' work for the Montreal branch of the Humanities Association of Canada. Teaching materials consist of a large number of student essays, stories, examination papers and poems, including some by Louis Dudek and Irving Layton, ca 1937-1950. From Files' student days come lecture notes on the history of English language, 1921. There are also approximately 25 reprints of articles by Files' acquaintances and colleagues and copies of some journal and newspaper articles by and about Files.