The fonds consists of the teaching instruction papers of A. R. B. Lockhart and mostly comprises lectures on topics in teaching, such as "Organization and Planning of Instruction", and 7 chapters of what appears to be an instructional book (chapters 1, 2, 5, 10, 12, 13, 14). In addition, there are examples of time tables for four classes, a checklist for school duties, and an example of a program for an 8 grade school titled "Department of Rural Education" from Teachers College, Columbia University.

Fonds consists primarily of original working drawings in pencil on tracing paper, and paper files, dating from the 1950s, 1964 and 1982, including projects:
"Chambly County High School, St. Lambert, QC," 1952, 11 drawing sheets
" New Factory and Offices for the Gliddon Company Ltd.,Ville Lasalle, QC," 1954, 11 drawing sheets
"YMCA Southwestern Branch, Montreal, QC, 1958," 8 drawing sheets, and Architectural, Electrical, and Mechanical Specifications
"Zone Office and Warehouse for General Motors Products of Canada Ltd., Pointe Claire, QC, 1959," 24 drawing sheets
"General Motors, Montreal Truck Branch, 1964," 11 drawing sheets
"St. Andrews United Church, Ville St. Laurent, PQ, 1956," 20 drawing sheets, 3 sheets correspondence, 1982.
"Office Building for Canadian Overseas Telecommunications Corp., Belmont Street, 1955," 54 drawing sheets
"Perry & Luke"
"Hermitage Club, Magog, PQ, 1928," 14 drawing sheets

Fonds documents A.A. Mackay's medical activities at No. 2 C.C.S. (Casualty Clearing Station) in 1917. The fonds contains two army books of correspondence of Field Service in which case reports are recorded.

This material consists of the daily orders of the 148th Battalion during World War I.