Records contributed by Harry E. Stafford (1882-1979), an engineer working in Port Arthur, Ontario. Includes a variety of reports, research, correspondence, and work done by or pertaining to Stafford. Much of this collection revolves around mining, forestry, and engineering. Includes a set of examinations from the early years of Lakehead Technical Institute.

Stafford was an electrical engineer, who worked for various industries around Northwestern Ontario and across Canada. After his retirement in 1950, he continued working as a consultant, and taught. He was also a textbook author.