(页面存档备份,存于互联网档案馆), The Grapevine, pp. 3–5. Potter, David, 1976 pp. 132–139 Bordewich, Fergus, 2005, p. 324 Gara, Larry. Underground Railroad. National Park Service. :
routes. [2022-02-12]. (原始内容存档于2021-05-03). Announcing Service to Toronto, Ontario. Air North. [28 November 2021]. (原始内容存档于2021-11-28). Flight Schedules
Mississauga, Ontario: David L. Cook. 2010: 158. ISBN 978-0-9734265-3-3. Hicks, Kathleen A. Malton: Farms to Flying. Mississauga, Ontario: Friends of the
Greg Fergus elected Speaker of the House of Commons. CBC. 3 October 2023 [11 February 2024]. (原始内容存档于2024-11-16). House of Commons Speaker Greg Fergus survives