"Architectural Drawings, 1898-1901, 18 drawings." Included are drawings of historic architecture in England, France and Italy, such as stalls in Southwold Church in Suffolk, sculpture at Chartres Cathedral, the Palazzo Pitti and the Palazzo Gondi in Florence.
"Residence for J. W. McConnell, West Crescent Heights, Westmount, QC, 1913 [unbuilt]."
19 drawings: 13 ink on glazed linen: site plan,elevations, plans, sections, details. 1 pencil on trace: detail. 5 blueprints: 1 elevation, 3 plans, 1 section.

"Dessins architecturaux, 1898-1901, 18 dessins." Dessins d'architecture historique réalisés en Angleterre, en France et en Italie notamment des stalles de l'église Southwold (Suffolk), une sculpture de la cathédrale de Chartres, le Palazzo Pitti et le Palazzo Gondi de Florence.

Fonds consists of architectural drawings (1961) and 2 photographs forming part of a project prepared for the United Nations for low-cost asbestos roof-tiling. A four-page application (1967) for low-cost roofing is also included. Ortega's personal library (713 cm) also comprises part of the fonds. These books and periodicals relate mainly to Ortega's professional interests such as low cost housing, building materials, water and sanitation, the environment and energy. 287 slides relate to Ortega's on-going concerns on lost-cost housing, building materials, construction methods and alternative sources of energy.

"Dessins architecturaux, 1961, 46 dessins." Les dessins faisaient partie d'un projet réalisé pour les Nations unies et portant sur des tuiles de toit en amiante à faible coût. Ce matériel n'a pas été décrit.
"Photographies, 1961, 2 photos." Ces photos se rapportent au projet mentionné ci-dessus. Ce matériel n'a pas été décrit.
"Activités architecturales, 1967, 2 cm." Le dossier contient un formulaire de quatre pages de demande de toit à coût modique. Il n'a pas encore été décrit.
"Bibliothèque personnelle, s. d., 7,13 m." Ces livres et Périodiques se rapportent avant tout aux intérêts professionels d'Ortega tels l'habitation à coût modique, les matériaux de construction, l'eau et la salubrité, l'environnement et l'énergie. Matériel en cours de traitement.
"Diapositives, s.d., 287 diapositives." Celles-ci illustrent les projets de recherche d'Ortega sur l'habitation à coût modique, les matériaux et les méthodes de construction et les sources alternatives d'énergie. Ce matériel n'a pas encore été traité.

The fonds consists of professional papers, architectural and silver artifact photographs, drawings, teaching materials, research files on historical buildings in Québec, and heraldry designs for Boy Scouts. The bulk of the fonds consists of professional papers and three-dimensional objects (1889-1949). These have been arranged into twelve categories based on function: notes by Traquair for architecture curriculum courses; personal items of Traquair; signed notes of Gordon Antoine Neilson; signed notes of Marius Barbeau; Boy Scouts' flag design and correspondence; drawer list of drawings of French-Canadian architecture as arranged by Traquair; source clippings/publications; student sketchbooks; historic notes on individual places; publications of Traquair; publications by others working in the field or allied fields; line blocks. 14 original drawings in the fonds date from 1901-1921 and include watercolours and drawings of Egypt and India as well as details and sketches of churches in England and Italy. There are also approximately 550 measured drawings of historic buildings in Montréal, Québec City and elsewhere in the province made by Traquair and his students. Approximately 5 m of photographs portray landscapes, historical buildings, furnishings, and rural people at work in Québec; some copies of historical prints and photographs are also included. The historical architecture of Québec is also the subject of 1 m of plastic negatives, and a further 40 cm shows old Québec silverware.

"Architectural Drawings, 1913, 39 drawings." The design of the Stanley Street Presbyterian Church, located at the corner of Westmount Avenue and Victoria Avenue in Westmount, PQ, is documented by drawings.

"Dessins architecturaux, 1913, 39 dessins." Le projet de construction de la Stanley Street Presbyterian Church située à l'angle de la rue Westmount et de l'avenue Victoria à Westmount (Québec) est documenté par des dessins.

"Architectural Drawings, 1963-71, 8 drawings." Plans and drawings for alterations to the Pathology Building of McGill University and the design for a respiratory research laboratory for McGill University are documented in the CAC.

"Dessins architecturaux, 1963-1971, 8 dessins." La collection comprend les plans et les esquisses de modifications apportées au pavillon de l'Institut de pathologie de l'Université McGill ainsi que le plan d'un laboratoire de recherche sur les maladies respiratoires pour l'Université McGill.

"Architectural Drawings, 1914, 20 drawings." The archive contains working drawings and plans relating to proposed alterations and additions to the Trafalgar Institute in Montreal, including alterations and additions to the gardener's cottage, and a plan of the property.

"Dessins architecturaux, 1914, 20 dessins." Le fonds réunit des esquisses et des plans ayant trait à une proposition d'annexes et de réfection à l'Institut Trafalgar de Montréal et plus particulièrement un plan général de la propriété et les travaux destinés à la maison du jardinier.

"Architectural Drawings, 1896, 11 drawings." Plans, elevations and sections document the design for a house for William Robb on Mountain Street in Montreal.
"Dessins architecturaux, 1896, 11 dessins." Des plans, des élévations et des coupes témoignent du projet de construction d'une maison pour William Robb, rue de la Montagne à Montréal.

"Architectural Drawings, 1945-55, 80 drawings." The majority of the architectural drawings documenting the projects of this firm relate to the design of a house for P. A. Cumyn in Senneville, PQ (1953-5). The other four projects with drawings include the addition of a parish hall for St. George's Church on Windsor Street in Montreal (1946) and alterations to the house of D. H. Starkey on Piquet Road in Montreal (1946).
"Photograph, n.d., 1 photograph." The archive contains a photograph of a finished exterior of an unidentified house.

"Dessins architecturaux, 1945-1955, 80 dessins." La plupart des dessins architecturaux qui témoignent des projets de ce cabinet se rapportent aux plans d'une maison réalisée pour P. A. Cumyn à Senneville (Québec) (1953-1955). Les autres dessins ont trait à l'ajout d'une salle paroissiale à l'église St. George, rue Windsor à Montréal (1956), ainsi qu'à des modifications apportées à la maison de D. H. Starkey, chemin Piquet à Montréal (1946).
"Photographie, s.d., 1 photo." Le fonds contient une photo de la finition extérieure d'une maison non identifiée.

"Architectural Drawings, 1929-30, 17 drawings." Drawings of elevations, sections and details document the design of Divinity Hall, now known as the William and Henry Birks Building of McGill University.
"Oil Painting, n.d. " An untitled, undated framed oil painting of an unidentified tropical harbour scene is found in the collection.

"Dessins architecturaux, 1929-1930, 17 dessins." Des dessins d'élévations, de coupes et de détails se rapportant aux plans du pavillon William and Henry Birks réalisé pour l'Université McGill.
"Tableau à l'huile, s.d., 1 tableau." Un tableau à l'huile, sans titre, sans date, encadré, représentant un port des tropiques non identifié s'ajoute à la collection.