The fonds contains of research done by W. Gillies Ross on the following subjects: the mines at Eustis, Capelton and Albert Mines, asbestos mining at Asbestos, the 1918 Spanish Flu epidemic, the Stanstead granite industry, and covered bridges in the Eastern Townships and surrounding areas. It consists largely of research notes, research documents, photographs, and oral histories. The fonds is organized i the following series: Interviews (1944-1996), Harvard’s Baker Library Trip and Research (1887-1996), Jo Cooper (1977-1987), Newspaper Index (1971-1975), National Archive of Canada Research (1903-1921), Publications (1890-1938), Granite Project (1898-1900, 1976), Copper / Pyrite Mining Studies (1867 [Photocopied] -1996), Asbestos Mining and Landscape Research (1897 [Photocopied]-1965), Spanish Flu Research (1918 [Photocopied] -2006), Photographs (1888-1972), Maps and Plans (1767 [Photocopied] - 1979), Asbestos Mining (1950-2004), Mining Study – Correspondence (1883 [Photocopied]-2005), Book Translation (1995), Cookshire (1979), Research on covered bridges ([ca. 1990?]).