Fonds consists of research notes and materials on the history of Nova Scotia and, more specifically, Liverpool and its prominent families, including family trees and hand-drawn annotated maps. Also included are many manuscripts on a variety of topics relating to Tupper's historical research, ranging from John Cabot and the early explorers to lesser-known local events in the history of Nova Scotia. Also present is a small collection of personal diaries and copies of deeds and legal documents from the Tupper family.

Fonds contains correspondence, contract files, notes, plans, and photographs of various ships Maurice Evans' company worked on.

Fonds contains the business records of Robb Engineering Co. Ltd., including an engine record book (1893-1902); deeds, indentures and agreements (1879-1905); plans, catalogues and photographs (1890-1950); engines and boiler plans (1898-1956); engine and boiler specifications; patent records (1886-1923); engine and boiler registers; engine indexes (1893-1930); correspondence; and other records.