Piece of Toronto Ottawa air navigation chart showing the RCAF airfields at Sandhurst, Kingston, and Gananoque.
Unknown. Canada. Department of National Defence
Commonwealth Air Training Plan museum via Flight Ontario website.<a rel="nofollow" class="external free" href="http://www.flightontario.com/BCATP/bcatp-schools.htm">http://www.flightontario.com/BCATP/bcatp-schools.htm</a>