This series consists of historical records compiled by Byerly during his research, as well as documents and ephemera he collected or saved. Included are biographies and genealogies of local people, historical information relating to churches, local towns such as Fergus and Berlin (Kitchener), Mennonites, Robbie Burns' ancestors, as well as miscellaneous articles and documents. Also included are a large quantity of research notes left by Byerly. The records consist of notes, correspondence, maps, ephemera, copied material, newspaper clippings, and notebooks.
These records are arranged by subject.