Diaries with gaps for the years 1868 to 1910. Also included are a diary of a trip to Scotland and England in 1862 and a scrapbook which covers the years 1863-1869 as well as a catalogue of Wicksteed's library.

This diary written at Rome, 1848-1855, is in English, French and Italian.

Family correspondence and business papers covering the period 1849-1940 include Hugh McLennan's notebook of extracts from family letters, 1883-1889.

The minutes of the Club are accompanied by a letter from the Secretary, George Murray, to Wilfrid Skaife. Skaife notes in the minute book that "no further meetings of the Society were held".

The first part of this volume is titled "Narrative of a campaign in the Island of Ceylon in the year 1803 and of the Massacre of the greater part of the European Army by the Kandians. By the only Survivors." One part is entitled "Journal of an Expedition to Kandy in September 1804 and Retreat from there." The text is written on paper water-marked, 1831.

Much of the collection is family correspondence and papers relating to the hardware business of Thomas D. Patton, 1816-1884. There are also papers and military notebooks of Sergeant George Patton, 1823-1856 and letters concerning Douglas Church and the St. Lawrence Sunday School, Montréal, 1853-1854.

Le fonds comprend dix lettres adressées à De Salaberry et à certains de ses proches sur divers sujets de 1785 à 1912, un manuel de manoeuvres militaires de Major Michel de Salaberry, 1796, des photographies, des cartes postales, un spicilège (ca 1834-1841) et quelques documents relatifs à Frederick George Heriot (ca 1818).

Very few of the McLeod papers actually concern the Observatory. However, his work for the railways and in Newfoundland is documented, as are his views on the education and employment of engineers. The basic record for the early part of his career is a diary kept from 1870 to 1875, regarding student days and early work on the Observatory. An essay, "Winter under canvas" (1868) describes an early surveying job, and a letter from his father (1872) inquires about his academic progress. His work for the railways is documented by three letters of recommendation, and two letters (one from Stanford Fleming) on the work of his colleagues in the West. The Newfoundland survey (1875) is described in McLeod's diary, a manuscript essay "Across Newfoundland" (1876), his printed reports and three letters. His work at McGill is represented by six letters (largely official acknowledgements of appointments), and McLeod's manuscript notes on McGill history. McLeod's concern with the engineering profession is reflected in two addresses on education and professional development, and copies of about a dozen letters to Sir Wilfrid Laurier (1906-1908), C.A. McGrath and E.F. Wurtele (1912), largely on the employment of engineers in the civil service.

The official records of the Montreal Ladies' Educational Association comprise minutes of the General and Executive Committees, 1871-1885; an account book, 1871-1885; a fee register, 1880-1885; a list of students of the M.L.E.A. and after 1885 of McGill, 1881-1890; a register of certificates granted, including comments on the student's performance, 1871-1885; and printed prospecti and annual reports. A 'Register of Teachers', 1871-1881, contains advertisements for school teachers and governesses.

This collection consists of the seven original volumes of the minute books and two reels of microfilm of the records of the McGill Physical Society, 1897-1959. The minutes give brief summaries of addresses and demonstrations given at meetings. Of particular interest are the passages relating to experiments of Rutherford and Soddy.