I would like to acknowledge the following sources with many thanks:
- The Department of Highways / Ministry of Transportation of Ontario Official Road Maps.
- Cameron Bevers – (Webmaster) – The Kings Highway
- Ontario Archives
- Legislative Assembly of Ontario – Information on Premiers and Ministers.
- Ontario Good Roads Association
- Ken Brown, Ian Byrne, Curtis Carroll, Dave Goforth, Stan DeOrsey, Norm Fenske, Jim Heckenbach, Mark Greaves, Jeff Koenker, Noel Levy, Peter Ledwith and Walt Wimer – all of the Road Map Collectors Association. Thanks guys !!
- A special thanks to Ken Brown, Dave Goforth and Peter Ledwith for providing scans of several maps.
- Desmond Fung, Ministry of Transportation of Ontario
- Marek Wiesek, Ministry of Transportation of Ontario