The collection consists of records gathered by Walter Bruce MacDonald as research materials and content for a biography of Roderick Charles (R.C.) MacDonald. Records include collected photographs of R.C. MacDonald and his family as well as newspaper clippings, photographs, pamphlets, programs, scrapbooks, reports, speeches, certificates, drawings, correspondence, and copies of the book and digital manuscripts for Walter Bruce MacDonald's biography of R.C. MacDonald entitled, "Catch-as-catch-can."

The collection consists of records accumulated by Shyla Seller during her time as a student at Parkland Elementary School, Como Lake Junior Secondary School, and Centennial High School. Records also relate to Shyla’s participation the Olympics of the Mind, a competitive academic event in which participants engage in challenges that test their creative problem solving skills. The collection also includes material related to and created by other members of the Seller family, as well as material related the Hol’n’ One Donut House chain, which was owned by Shyla’s grandparents Bill and Nina Seller.

The collection consists of records relating to School District No. 43 and schools in Coquitlam. The records include formal class portraits, staff portraits, scrapbooks, newspaper clippings, school publications and newspapers, school annuals, and an assortment of crests.

The collection consists of portraits taken of the May Queens and attendants from 1940 to 1962, as well as the Roll Book which provides the name of each girl in the photographs, including the list of names for the 1971 May Day celebrations for the British Columbia centennial.

The collection consists of three photographs of the 1948 flood at Fraser Mills.

The collection consists of seven class portraits from 1960 to 1966 and two from the 1920s, as well as four additional photographs including a portrait of Joseph William Harris and his family ca. 1912 ; two photographs depicting two separate properties in Coquitlam, and a photograph of the Coquitlam float in the 1945 May Day Parade in New Westminster. The collection also consists of a certificate granted to Wilfred Harris for the McLean Method and two completed building permit applications from Wilfred Harris to the District of Coquitlam.

The collection consists of 8 photographs related to the Fenton Family and Fraser Mills. The photographs depict the mill site as well as social gatherings of Fraser Mills employees (dinners and golf tournaments). The collection also includes two advertising posters produced by the Canadian Western Lumber Company Limited and Crown Zellerbach. Finally, the collection includes a Crown Zellerbach patch/label and 6 sets of construction plans for wooden boats that would have been produced using wood sourced from Fraser Mills.

The collection consists of materials that were collected by Diane Stiglish, including a funeral card for Reverand Father Joseph Albert Gerard Leduc; an Information Booklet about Our Lady of Fatima Church; and two advertising flyers for businesses in Coquitlam.

The collection consists of records pertaining to the Coquitlam Satellites Women's Hockey Team from 1975 to 1982. The collection includes: two scrapbooks containing newsclippings, ribbons, and patches; programs for tournaments; programs and manuals from the BC Winter Games in 1981 and 1982; tournament medals; and commemorative pins.

The collection consists of material accumulated by the Coquitlam Heritage Society over the course of its existence. The collection includes the following: records related to Fraser Mills (later the Canadian Western Lumber Company, then Crown Zellerbach) including ledger books, journals, statements, photographs, and various other records; records related to the lumber industry in Coquitlam; photographs of historic Coquitlam; glass plate negatives by W.J. Moore and Richard Broadridge; material related to the administration of the Coquitlam Heritage Society itself; and miscellaneous records related to Coquitlam's history

The collection consists of photographs collected by the City of Coquitlam Archives that are not part of a specific fonds or collection.

The collection consists of three panoramic photographs. One photograph shows the congregation of Our Lady of Fatima (Notre Dame de Fatima) gathered around the travelling statue of Our Lady of the Cape (Notre Dame du Cap) in 1950. The second photograph shows the congregation of Our Lady of Fatima posed in front of the Church after its construction in 1959. This photograph is assumed to have been taken either in the year of construction or sometime in the early 1960s. The third photograph shows the congregation of Our Lady of Lourdes (Notre Dame de Lourdes) gathered in front of the church with the statue of Our Lady of the Cape (Notre Dame du Cap) on December 17th, 1950.

The collection consists largely of research materials and notes created in the preparation of Boire's book "With Hearts and Minds" published in 2016. The remainder of the collection consists of materials collected by Boire from Caisse Populaire Maillardville Credit Union, as well as accumulated material pertaining to Boire’s involvement in several community initiatives, such as the Maillardville Residents' Association, Maillardville revitalization and planning, and Place Maillardville.

Materials include correspondence, photographs, administrative records, interviews, reports, handwritten notes, clippings, advertising and professional materials, newsletters, research materials, prints, postcards, ephemera, a map, embossing seals, a lid from a glass milk bottle, and other documents. The collection also includes a manuscript copy of “With Hearts and Minds”.