Edmonton, 1919.  Provincial Archives of Alberta, A11660.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/95711690@N03">Provincial Archives of Alberta</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/alberta_archives/14068486276/">May Airlines plane</a>