Lester, Peter (December 3, 2007). "Graeme Ferguson". The Canadian Encyclopedia. Historica Canada. Archived from the original on September 22, 2020. Retrieved May 12, 2021.
Lester, Peter (December 3, 2007). "Graeme Ferguson". The Canadian Encyclopedia. Historica Canada. Archived from the original on September 22, 2020. Retrieved May 12, 2021.