File presents information on the economic history of the Coaticook region from 1875 to 2014. It consists of an account book for James Williamson for R.C. Baldwin’s store (1875), an invoice from Charles H. Bryan (freight delivery) for Belding-Corticelli (1917), a poster for J. H. Knapp’s ambulance and funeral service and a wedding book printed to J. H. Knapp ([192-?]), a flyer for Georges Vaillancourt's store (date unknown), three promotional posters for Cercle de Couture Pfaff, Felix I. Lajoie (Coton Wabasso) and J. B. Dionne (dates unknown), two wallpaper sample catalogues from W. E. Dionne & Fils (dates unknown), a programme for the Penman's employee picnic held at Jacques-Cartier Park (22 August 1953), an article “Scientific fish culture in Quebec since 1945” by Louis-Roch Séguin (1957), an article “Étude d’un important projet pour la promotion touristique de la Station Piscicole du Lac Lyster” (1957), a brochure “Eastern Townships Fish Hatchery/Station piscicole des Cantons de l’Est” (1958), a brochure for Camping Piskiart at Lake Lyster (1960s), a ribbon from the Penman's employee picnic held at Crystal Beach in Magog (26 August 1961), two flyers for the Marché Suprême Benoit (1963) and Coaticook Pharmacy, a promotional poster for Michael Élias & Co. (ca. 1964), an article “Trout rearing with the minimum of fresh make-up water possible/Élévage de truites avec le minimum d’eau fraîche de compensation possible” by Louis-Roch Séguin, Benoit Dion and Raymond Charbonneau (1978), a commemorative photo album and medallion celebrating Niedner's 100 years in Coaticook (2014), and a cabinetry catalogue from Cabico (2014).