The fonds chiefly consists chiefly of records related to the editing and publishing work of the Muses' Company press. The fonds consists of seven series: manuscripts; financial records; publications; correspondence; records related to the Association des éditeurs anglophone de Québec; records relating to the Association of Canadian Publishers; and records relating to the Literary Press Group. Most of the records were either created or accumulated by Endre Farkas in relation to the Muses’ Co. publications between 1980 and 1995. Records relating to publishing include manuscripts of works, page proofs with corrections, editors’ and authors’ notes, published books, and publicity materials. Other production records within the fonds include correspondence, pamphlets, photographs, layouts, and drawings for covers. These manuscripts also often have accompanying materials including photos and correspondence, in particular for the Dance Agenda project. There is also correspondence including exchanges with authors such as Ken Norris, Kenneth Radu, Katharine Beeman, Elias Letelier-Ruz, Ian Stephans, and Sharon H. Nelson as well as notes to Leonard Cohen. The company's financial records in the fonds consist income tax receipts, statement of earnings, reports of sales of books, buyers, quotes, invoices, funding applications, contracts and correspondence. Notable financial records include book sales from the McGill University Bookstore, as well as the universities of Toronto, Waterloo, Calgary, and Maine. Other records include materials from the Association des éditeurs anglophone du Québec (1991-1994), the Canada Grant Council, the Association of Canadian Publishers, the Literary Press Group. Also represented is the Quanglo Tour itinerary including posters, postcards, and advertisements (1994-1995).

"Laure", a novel in French, is ascribed to Maria Neglet by a pencilled note in another hand.

The fonds consists of manuscripts and drafts of literary compositions and other working documents, as well as professional and personal correspondence.

Fonds consists of working files, office files, galley proofs, and other materials related to the operations of the Porcupine's Quill Press.

The fonds contains professional and private correspondence from Emma Albani, the first Canadian-born singer of international fame, to Parisian publisher Henri Heugel.

Allison's memoirs of Napoleon are accompanied by his watercolour drawings of Napoleon and St.Helena.

The fonds reflects the scientific and literary outreach activities of the Montreal Natural History Society over the course of its existence and contains correspondence, minutes, financial records, council and committee reports, membership lists, donation lists, catalogues of holdings, newspaper clippings, lecture advertisements and weather maps. In addition, the fonds includes reference material to other societies and information regarding the publication and creation of the Canadian Naturalist and Quarterly Journal of Science, Canadian Naturalist and Geologist and the Canadian Record of Science.

The fonds is composed of the following series: 1) Accounting Records (1860-1917); 2) Administrative Records (1833-1887); 3) Catalogues (ca.1829-ca.1925); 4) Correspondence (1871-1896 with gaps); 5) Essays and Lectures (1829-1852); 6) Minutes (1827-1832,1844-1923); 7) Montreal Microscopical Society (1884-1906); 8) Reports (1828-1881 with gaps); 9) Weather Maps (1895-1897).

Fonds consists of contemporary manuscript copies of various legal records and instruments relating to the Capacci family. Includes one manuscript written on parchment in pale brown ink, ruled in pale brown ink, and bound in full contemporary blind tooled calf with laid paper endpapers and remnants of ties on covers, as well as a smaller booklet, written on parchment glued into a laid paper wrapper. Documents appear to be dated between 1556 and 1583 and are written in Latin and Italian (sometimes alternating within document). The legal instruments appear chiefly related to the dowry of Orietta Capacci (the dowry is also referenced in an Italian note in a later hand (1650?) inside front cover). Some names found throughout the documents include Orietta Capacci (or Orietta de Capacci) and Annibale (or Anibal) Camillo de Capacci.

Fonds consists of chiefly correspondence of or about Dr. John Clarence Webster, from 1892 to 1952. It also contains his medical thesis from 1891, "Tubo-pentoneal ectopic gestation. The anatomy of the pelvis during the puerperium, and the female pelvic floor,"with accompanying 2 bound volumes of watercolour plates.

Fonds consists of a manuscript translation by Dr. Gruner of volume II of the Canon of Medicine of Avicenna dated 1957 and vocabulary indexes of Arabic names of Materia Medica, Latin-English names, Latin-Arabic equivalents, native names and others. These vocabularies were done in 1929-1930. It also contains three volumes of Dr. Gruner's research on cancer. This work was done through the Archibald Cancer Research Fund, from 1932 to 1946. In volume III, a printed address "A Vagabond Cruise Round Cancer" (1950) is inserted in the cover.