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?]).

The fonds contains primary source information on the family life; social, religious and economic activities; and education of various members of the Baldwin family, May family and other relatives and friends during the 18th to 21st centuries. It also contains historical information on the Stanstead County and Barnston Township areas, as well as genealogy. The majority of the records were produced in the Eastern Townships, many come from the New England states as well as across Canada and worldwide. It consists primarily of personal and business correspondence, postcards and photographs, maps, historical notes and family history. The fonds is comprised of the following series: Baldwin family ([1783 - photocopied ca. 1999]-2005), May family (1863-[1988, photocopied 2022]), Other Correspondence ([18--]-1970), Genealogy (1832-1999), Photographs ([185-?]-1995), Subject Files and Historical Research (1842-2002), Ferrin Family (1811-1974), Mead Family (1832-1853, 1917, [1934-1948?]), and Stevens Family (1910-1961).

Le fonds présente les activités et le gestion de la Bibliothèque Françoise-Maurice de Coaticook de 1971 à 2014. Il consiste de rapports annuels, de procès-verbaux, de photographies et de coupures de presse. Le fonds est composé des séries suivantes: Documents historiques, Procès-verbaux, Rapports annuels, Activités et animation, Bâtiments et biens mobiliers, Coupures de presse.

Fonds presents some of the activities and community involvement of the organization Rues principales in Coaticook from 1993 to 2008. It consists largely of photographs but also includes posters, advertisements, and press releases. The fonds is composed of the following files: Activities and Promotional photographs.

Fonds presents information on the foundation of Joujouthéque de Coaticook Inc. in 1985. It consists of minutes for the founding meeting of Joujouthéque de Coaticook.

• Sainte-Suzanne de Stanhope Catholic Church, interior and exterior, and presbytery in summer and winter, 1962-1963
• views of Stanhope, 1962
• Pensionnat Notre-Dames-des-Neiges in Stanhope
• tables ready for the annual parish supper, 1962
• Stanhope cemetery in winter and summer, 1962-1963
• Stanhope central school (Catholic), 1962
• Stanhope customs and border office
• Miss Hall in Island Pond, Vermont
• Installation of water lines and septic tank at church and presbytery in Stanhope, including Noël Lamoureaux and J. Bellefeuille, 1962
• an unidentified soldier

Item is a postcard of the dining room, with view on Lake Massawippi, at the Ripplecove Inn in Ayer’s Cliff, taken around 1980.

Series contains information on the history of Coaticook and area from 1875 to 2001. It consists of a letter to James McCauley (1879), a reproduced photo of a cadet group on St-Jean-Baptiste Street (1945), a religious scrapbook ([195-?]), a newletter for the Club Optimiste de Coaticook (1984), a programme for the 10th anniversary for the Manoir de Chez-Nous (1996), a newspaper article on Neil Tillotson (1998), and a souvenir programme for the Filles-de-la-Charité de Saint-Vincent-de-Paul (2001).

Collection presents information on business and commerce in the Coaticook area from 1851 to 1934. It consists of photocopies of invoices and newspaper clippings.

File presents information on religious practices and churches in the Coaticook region from 1905 and 1966. It consists of a communion souvenir certificate for Rosa Nadeau (1905), a certificate of religious instruction for Antonio Thibault of St-Marc Catholic Church in Coaticook (1932), souvenir program on the occasion of the appointment of Napoleon Loiselle to the title of Secret Cameroy of Pope John XXIII ([1959?]), a booklet on the campaign to expand the parish credits of St. Emond Parish (1961), and a programme for the dedication St. Paul’s Chapel, Anglican church, in Dixville (1966).

File presents information on arts and culture in Coaticook from 1930 to 1950. It consists of a souvenir programme for "Dolly (I love you)" (1930), sheet music and a souvenir programme for “Lolita” (1934), a souvenir programme for “Le Trouvère” (1935), sheet music for “Chant de ralliement” (1950), poems by Victor Péloquin/Victor de Grand-Pré ([195-?]), a programme for a conference and concert organized by the Société du Bon Parler Français and the Société St. Jean-Baptiste (1951), a programme for the annual concert for the Symphonie Vocale including a photograph of the choir (1957), and a programme for the 22nd festival of the Fédération des Fanfares Amateur de la Province de Québec organized by the Harmonie de Coaticook (1962).

File presents information on education in Coaticook from 1923 to 1971. It consists of a prize list for Marie Blanche Boisclair from the Présentation de Marie Pensionnat de Coaticook in 1923, correspondence with Romuald Dumont during his role in the planning committee for the Academie du Sacré-Coeur reunion (“l’amicale”) in 1940 and statistics (school census) for the Commission scolaire de Coaticook from 1960 to 1971.

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).

The fonds contains source material on the administrative, financial, and artistic history of the Piggery Theatre in North Hatley from 1964 to 1996. It consists of minutes, correspondence, production and employment agreements, employee files, financial statements, grant applications, programmes, scripts, advertisements, photographs, and architectural drawings. The fonds is comprised of the following series: Administration (1964-1990), Human Resources (1972-1985), Financial Resources (1964-1990), Moveable and Immovable Resources (1964-1985), Productions (1965-1996), Public Relations (1965-1993), and Westbec Limited (1964-1976).