"Architectural Drawings, 1910, 5 drawings." Drawings and watercolour sketches of French and Italian subjects, such as the Grand Palais at Versailles and the Palazzo Serra in Genoa, are found in the archive.

"Dessins architecturaux, 1910, 5 dessins." Dessins et aquarelles de sujets français et italiens et notamment du Grand Palais de Versailles et du Palazzo Serra à Gênes.

File consists of 2 development drawings (tablet) and 5 detail drawings (heraldry, lettering) for memorial tablet.

File consists of architectural drawings for urban house (detached, basement, 2 floors, 4 bedrooms, 3 servant's rooms; brick and stone; wall bearing) and photographs of finished exteriors. Drawings include:
2 survey drawings: property plan
1 sketch drawing: fireplace
3 presentation drawings: exterior perspectives, exterior elevation
1 development drawing: fireplace
12 working drawings: block plan, foundation plan, floor plans, roof plan, elevations, section
57 detail drawings: windows, stairs, doors, terrace, balcony, chimney, eaves, staircase, fittings, flues, rooms, plaster cornices, lighting, leaded glass, tile work, cupboard, stonework (including windows, entrance doorway), ironwork (incl. fences, fire screen, grilles, railing), woodwork (including trims, panelling, carving, lamperkin)
1 shop drawing: cut stone
3 consultant drawings: structure
1 record drawing: floor plans

File consists of architectural drawings for housing development. Includes 8 presentation drawings (block D elevations [front, side, rear]; house L [floor plans, front and rear elevations], house D [floor plans], blocks BI and BII [floor plans], block BI [front elevation], elevations on Thurlow Road, on Merton, on Northcote Road,and on Queen Mary Road, block plan. Also includes 5 development drawings (block plans, elevations) and 1 record plan (block D floor plans and elevations).

Album of chiefly black and white photographs as well as some drawings and floorplans, including McGill buildings: Macdonald Engineering Building, Douglas Residence, Architectural Museum, McGill Library, Chemistry Building, Physics Building, Royal Victoria College, a proposed war memorial hall, McGill Union, a drawing of the proposed Osler Library, and photographs of architectural models.

File consists of presentation drawings: --Design for an isolated clock tower and belfry (1899) [Winning submission for The Prize 1900] (3) --Decorations for hall and stair, Coleshill, Berks. Prescribed in the Owen Jones Studentship 1901 (2) --Design for a swimming bath for men [Submitted for Soane Medallion 1901-1902] (1) Design for the mosaic decoration of Sta. Fosca at Torcello (1902) [Winning submission for Owen Jones Studentship 1903] (3) --Design for a town church [Submitted for Soane Medallion 1902-1903] (1) --Untitled drawing for stained glass windows depicting six male saints (1).

File consists of architectural drawings for country house (basement, 2 floors, 3 bedrooms; stone and roughcast; wall bearing) and photographs of finished interiors. Drawings include:
1 survey drawing: property plan
2 measured drawings: ground levels, stable
1 sketch drawing: site plan
2 presentation drawings: north, east and west elevations
4 working drawings: floor plans, roof plan, elevations, section
48 detail drawings: floor plan, room interiors, windows, stonework (including corbel, base, coins, ramp, porch), eaves, bellcast, doors, dormers, entrance, vestibule, staircase, plaster cornices, stairs, woodwork (including porch, panelling, fireplace, screen), closets, balusters, shutters, fittings, architrave, ornaments, tea house, ironwork (including awning, hinges), sundial
3 record drawings: block plan, plans, elevations.

"Architectural Drawings, 1929-30, 46 drawings." All but one of the drawings documents the design of a house for F. R. Whitall on Sunnyside Avenue in Westmount; the remaining drawing is a perspective of a proposal for the New University Club of Montreal on Redpath Street.
"Photographs, n.d., 1 album" containing 53 large size photographs of interiors and exteriors of private mansions and country houses of Quebec and British Coloumbia, designed by McDougall. Noteworthy are the Currie and McDonald houses in Westmount.
"Architectural Drawings, 1929." The Montreal General Hospital:2 copies: western division proposed scheme of development, central division proposed scheme of development.

"Dessins architecturaux, 1929-1930, 46 dessins." Tous les dessins sauf un se rapportent à une maison commandée par F. R. Whitall, avenue Sunnyside à Westmount; l'autre dessin est une perspective qui faisait partie d'une proposition pour le New University Club de Montréal, rue Redpath.
"Photographies, s.d., 1 album de 53 photographies" illustrant l'intérieur et l'extérieur d'hôtels particuliers et de résidences secondaires du Québec et de la Colombie britannique, conçus par McDougall. On y trouve notamment les maisons Currie et MeDonald à Westmount.