Fonds consists of drawings, display material, correspondence and office files of the architectural practice of Jerome Markson, 1954-1993. Significant projects include: Pembroke Sherbourne Housing Development, Toronto; Woodview Housing Development, Woodbridge, ON; Group Health Centres, Sault Ste. Marie and St. Catharines, ON; Sherwood Park Manor Nursing Home, Brockville, ON; Erin Mills Development.

Fonds consists of drawings, correspondence, and office files of the architectural practice of Mathers and Haldenby, 1956-1968. Significant projects include: Eaton Centre, Toronto; National Archives and Library, Ottawa; Queen's Park, Phase II, Toronto; Bell Telephone Co., London, ON.

Fonds consists of drawings of the urban design practice of Thomas Mawson, 1913-1914.

Fonds consists of drawings, specifications, correspondence, and office files from the architectural practice of Gordon Adamson & Associates, 1933-1972. Fonds also includes a partnership agreement between Gordon Sinclair Adamson and Earle C. Morgan dated March 27, 1945 and correspondence regarding the partnership agreement and partnership termination between Gordon Sinclair Adamson and Earle C. Morgan, February, 1946. Significant projects include: apartment house at 130 Forest Hill Road, Toronto; Holt Renfrew Building, Toronto; Bell Telephone Co. of Canada, Exchange Building, Pickering; Canada and Dominion Sugar Company, Toronto; Co-operators Insurance Association Office Building, London; Kipling Collegiate Institute, Etobicoke; Peacock Contracting Company Office Building, Toronto; St. Clair Balfour Residence, Toronto.

Fonds consists of drawings and sketches from the architectural practice of Raymond Affleck. Significant projects include: Klassen House, St. Hilaire; Talbot Johnson House, Senneville; Harry Hoy House, Lac Tremblant; National Gallery Competition (1976-1977).

Fonds consists of drawings, specifications, correspondence, and office files from the architectural practice of John Andrews Architects, 1964-1973. Significant projects include: Scarborough College, Scarborough; Bellmere Public School, Scarborough; African Place, Expo 67, Montreal; Sarah Lawrence College, Bronxville; Gund Hall, Cambridge.

Fonds consists of drawings, display items, specifications, correspondence, and office files from the architectural practice of Beatson Finlayson and Partners, 1957-1981. Significant projects include: McPherson Park Swimming Pool, Burnaby, BC; Jasper Place Sport Centre; Red Deer Recreation Park, Red Deer, AB; Inuvik Corporation Housing, N.W.T. Western Canada Pavilion, Expo '67; Selkirk Civic Centre, MAN.

Fonds consists of drawings, display material, specifications, correspondence, and office files from the architectural practice of Bond Mogridge Architects, Ltd. Significant projects include: Bethany Extended Care Centre, Calgary; Prairie Bible Institute, Three Hills; Calgary Air Terminal - McCall Field, Calgary; Cave & Basin (1950s), Banff; Jasper Park Pool, Jasper; Olympic Pool & Facilities, University of Calgary, Calgary.

Fonds consists of drawings, colour slides, and prints and negatives from the architectural practice of John F. Brown and F. Bruce Brown, 1897, 1926-1972. Significant projects include: Monroe County Court House, Rochester, New York; Competition Drawings, Legislative Buildings, Victoria, BC.

Fonds consists of microfilm, correspondence, office files, and invoices from the Calgary Construction Association, 1945-1972.