The majority of this collection is correspondence between Annie Holiday Pelletier and her parents Elise and William Holiday. The collection also includes correspondence with and between other family members, photographs, genealogical and biographical information, and miscellaneous material about the Rondeau, Holiday, and Pelletier families. Included is an early written exchange, circa 1864, between Elise Rondeau and a local parish priest who disagree on religious freedom and the interpretation of a biblical passage. The correspondence between Annie and her parents, including the period in which she is a student at McGill, is written in French (from and to her mother) and English (from and to her father). This correspondence provides a vital resource on early student life and the day-to-day concerns of a young woman living away from home in late 19th Montreal. The correspondence is rich in its detail and frankness on matters of family life, conflict, and religious and educational issues.

The Nobbs fonds consists of the work of Percy Erskine Nobbs, George Taylor Hyde, Nobbs and Hyde, Nobbs and Valentine, and Nobbs and Nobbs. 526 projects are documented in the Percy Erskine Nobbs Fonds. Architectural drawings form the core of the fonds, providing a comprehensive listing of the drawings by Percy Nobbs and his associates. Arranged chronologically, the inventory reflects respectively the development of the partnerships Nobbs and Hyde (1910-1944), Nobbs and Valentine (1945-1950), and Nobbs and Nobbs (1950-1960). Hugh A. I. Valentine worked only briefly with Nobbs, spending the bulk of his career with the Bell Telephone Company of Canada. His commissioned drawings and student notebooks cannot be directly related to his work with Nobbs, but are nonetheless described in subfonds 8. Subfonds 6 and 7 describe Percy Nobbs's personal papers and three-dimensional objects designed by him which are in the Canadian Architecture Collection.

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 fonds consists of diaries, private ledger and cash book, architectural drawings, news clippings, correspondence, one seal, one measuring tape, and photographs relating to J.S. Costigan and family.

The company's records contain administrative, financial and publicity material. The administrative series comprises the minutes of the directors from 1929 to 1955 and of the executive committee from 1949 to 1956. An engagement book records contracts between the company and its employees, 1902-1906. Henry Morgan's business correspondence covers the period 1847-1850, and includes a few personal letters to his brother James. Financial records cover both internal operations and stock transactions. The former are documented by an account book, 1845-1848; ledgers, 1870-1889; and diaries, 1884, 1936; the latter by lists of stock holders, 1954-1960; and records of transfers of Morgan's common stock, 1954-1961. Also included are files of invoices, receipts and cheques, 1846-1852. Publicity materials largely centre around anniversaries. Scrapbooks of newspaper clippings, other printed materials and photographs cover the years 1936-1945, culminating in the company's centennial, for which a typescript history was prepared.

"Architectural Drawings, 1959, 6 drawings." Included are drawings for proposed dormitory units for McGill University in Mount St. Hilaire, PQ.
"Photographs, 1959, 3 photographs." Proposed dormitory units for McGill University are documented by photographs.

"Dessins architecturaux, 1959, 6 dessins." Notamment les dessins d'une proposition de dortoirs pour l'Université McGill au Mont Saint-Hilaire (Québec). Ces dessins ont été dépouillés mais n'ont pas encore été décrits.
"Photographies, 1959, 3 photos." La proposition de dortoirs pour l'Université McGill est documentée par des photos. Celles-ci n'ont pas encore été décrites.

The D'Aigle papers fall into three series: diaries, correspondence and a scrapbook of photographs and memorabilia. The diaries (1912-1914, 1927, 1935-1952) are largely devoted to a day-by-day account of prospecting journeys. Correspondence with members of his family, partners, prospective financial backers and government mining bureaus covers the years 1900-1959. The scrapbook contains personal mementos, newsclippings about D'Aigle, photographs of his journeys, lists of supplies for prospecting trips, and maps, some drawn by D'Aigle himself.

"Architectural Drawings, 1949-57, 200 drawings." Nine projects are documented in the archives by drawings. The majority of the drawings are for the design of the Freedman (Camel) Co. Factory Building (1954-5) in Montreal, a proposal for a housing development for the town of St. Laurent, PQ (1952-4), an office building on Peel Street in Montreal (1950) and the Dorval Garden Apartment Building in Dorval, PQ (1949).
"Photographs, 1952-5, 3 photographs." Included are photographs of a proposed housing development for the town of St. Laurent and of the Brockville and Elizabethtown planning area in Ontario (1955).

"Dessins architecturaux, 1949-1957, 200 dessins." Neuf projets sont documentés par des dessins. Le plus grand nombre de ces dessins se rapporte aux plans de l'usine Freedman (Camel) Company de Montréal (1954-1955), à une proposition de projet domiciliaire pour la ville de Saint-Laurent (Québec) (1952-1954), à un immeuble à bureaux rue Peel à Montréal (1950) et à l'immeuble à appartements Dorval Garden à Dorval (Québec) (1949).
"Photographies, 1952-1955, 3 photos." Les photos se rapportent à la proposition de projet domiciliaire pour la ville de Saint-Laurent ainsi qu'au projet d'urbanisation de Brockville et d'Elizabethtown en Ontario (1955).

This series consists of research, writing, and correspondence files relating to Casey Wood's major and minor publications and unpublished works, as well as, others assisting in Wood's publications, research, or writing about Wood. The majority of the research and writing materials for Wood's published and unpublished works were created between 1920-1940, while other materials collected during Wood's life, those associated with his memoir and obituary, date from approximately 1850-1943.
Some prominent writings by Wood include “Introduction to the Literature of Vertebrate Zoology” (1921-1956), his unpublished memoir (ca. 1850-1939), “Fundus Oculi” (1911-1934), Wood family history (1920-1940), “Birds of Fiji” (1920-1928), “Through Forest and Jungle in Kashmir and North India” (1921-1934); Persian, Arabic and Hindustani manuscripts (1927-1934); and “The Art of Falconry” (1942).
The series consists of many volumes and files containing a number of record types including manuscripts, typescripts, proofs, publications, photographs, correspondence, clippings, printed material, postcards, journals, administrative and financial records, and artwork. Some of the volumes are scrapbooks containing many of these materials mounted within, while others include similar materials bound within. These volumes do not necessarily have a clear organization but are sometimes arranged chronologically or by correspondent.

There are 2230 incoming and outgoing pieces of correspondence including letters, postcards, notes, telegrams, and cards. Subseries 1) Introduction to the Literature of Vertebrate Zoology includes 1313 pieces of correspondence, the largest number of correspondence within the collection.

This series consists of glass plate negatives and other photographic materials with their original boxes relating to the Feather Book, ornithology, falconry, McGill University Library, and Casey Wood. The majority of the glass plates were produced in Berlin, Germany by Agra, while a few were produced in London, England and Toronto, Canada; which is indicated on the boxes the plates were contained in. On many of these boxes, McGill University librarian Dr. G. R. Lomer’s name appears, indicating these plates and photographic materials were used for library-related activities. Most of the plates, photographs, and photographic negatives (1927, 1930, 1956) show pages from the Feather Book by Dionisio Minaggio. Other glass plate negatives and photographic material depict artwork or images relating to ornithology and falconry, a portrait of Casey Wood (1927), Gronvold’s painting of Wood’s parrot John III (1930?), an ornithological archeological exhibit in the Redpath Library (1924), and library stacks in the Redpath Library (1924).