The major record of the McGill Chapter's early years is a register containing members' signatures, 1911-1969, and minutes from 1912 to 1932; a second minute book covers the period 1960-1969. Approximately two-thirds of the papers are secretary's files from 1961 to 1978 containing membership lists, correspondence concerning prospective members, circular letters announcing meetings, and correspondence with the headquarters of AOA. There are also receipts for initiation fees from 1954 to 1969.

Snell's research files for his history of Macdonald College contain drafts of the book, and files of notes, extracts and clippings collected as background material. Included are two volumes of an attendance register from an unidentified Québec public school, 1857-1869.

Most of this archive documents the High School for Girls. The administrative records comprise prospecti for both High Schools, registers of attendance, 1875-1896, examinations, 1855-1858, 1884-1888, fees, 1863-1869, and corporal punishment, 1892-1896, 1949-1960, and memoranda from the Rector applying to either the boys' division or to both High Schools, 1897-1904. There are also working notes for teachers, 1902-1903, 1921-1931, and scrapbooks of programmes, clippings and notes concerning activities in both schools, covering the years 1913 to 1960. Examination papers, 1872-1882, a guest book, 1919-1943, an annotated address book of High School for Girls staff prepared by Principal L.M. Hendrie, 1911-1945, and photographic portraits of the Principals of the High School for Girls round out this series. Student activities are reflected not only in the official scrapbooks, but also in minute books, photograph albums and scrapbooks of the High School for Girls' Athletic Association, 1912-1913, Literary and Debating Society, 1906-1908, and English Club, 1935-1940. There are a large number of photographs of girls' sports teams, 1915-1941, as well as a scrapbook of clippings on the activity of High School for Girls Alumnae, 1953-1956.

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.

Included is the constitution, by-laws, and minute books covering 1922-1940. Approximately one half of this material consists of membership cards recording the name, rank, degrees, and publications of members from 1920 until ca 1970. There are also membership lists for various periods including the founding members and lecture lists, ca 1930s. The secretary's files, covering the period 1963-1969, contain files on dues collected, expenditures, membership (nominations, transfers, correspondence with members), the national convention, and chapter meetings. Financial transactions from 1939 to 1946 are recorded in the treasurer's account book.

The lodge's records consist of a registration book giving the member's name, address, occupation, age, birthplace, wife's name, children between ages of 5 and 15, name of beneficiary, and occasionally remarks on the death of the member of cancellation of membership. Registration books survive from Primrose Lodge No. 49, 1887-1945, Denbigh Lodge No. 96, 1889-1944, Brittanic Lodge No. 113, 1890-1937 and Monarch Lodge No. 182, 1893-1948. Stray items of correspondence from banks or businesses may be found between the leaves of some volumes. The archive also contains two charters from Primrose Lodge, 1887.

This microfilm contains the Registers of births, marriages, and deaths, 1796-1869 and the minute books of the Presbytery of Québec, 1831-1842.