File consists of 64 working drawings, 5 preliminary designs, and 4 project files (correspondence, plant material, specifications, minutes of meetings).

File consists of architectural drawings for urban housing (basement, 3 floors, 2-1 bedroom apartments, 7-2 bedroom apartments, 7-3 bedroom apartments, 2-4 bedroom apartments; brick; composite), including:
4 presentation drawings: bird's-eye view, block plan, plans, elevations
10 development drawings: floor plans, roof plan, elevations, sections
7 working drawings: floor plans, roof plan, elevations, sections

File consists of architectural drawings for urban housing, including 5 presentation drawings and 1 development drawing of floor plans.

File consists of architectural drawings for urban housing, including 1 presentation drawing (block plan) and 8 development drawings (legend, key map, city maps and planning).

File consists of architectural drawings for urban housing, including:
3 presentation drawings: block plans, X block housing elevation
14 development drawings: road schemes, block layouts, subdivisions of land, floor plans, elevations, perspectives
1 detail drawing: structure

This file consists of a bound volume containing notes, sketches and diagrams from 1869, including trips to Gaspé and Murray Bay, as well as notes about dykes of Mount Royal, Montreal.

From bookseller’s description: ledger contains business accounts and transactions relating to the partners of the North West company, their ships, and includes payments made to carpenters, bakers, and other small tradesmen who did work for the major shareholders of the company.

File consists of an autograph letter from John Greenshields, who describes a recent meeting with 'Mrs. Abraham', Robert Abraham's widow.

File consists of a clipping from the Montreal Transcript, containing an obituary for Robert Abraham.

File includes five documents effected after the death of Roderick Mackenzie, including: a draft of Mackenzie's obituary; an invoice for the purchase of mourning goods; an affidavit testifying to the authenticity of Mackenzie's "testament olographe (holographic testament)" and requesting, on behalf of his widow, that the testament be executed; four documents detailing the division of Mackenzie's estate; and one-year lease for 12 Beaver Hall Terrace made out to Mackenzie's widow.