There's a new book out about them, though it looks like it's not available in Canada yet...
https://www.msn.com/en-us/autos/other/automotive-ad-legends-fitzpatrick-and-kaufman-were-not-mere-mortals/ar-AAOtn3V
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I was so enamored by them a few years back, I harvested anything I could find by FV.
Here's a link to 350 or so images by them,
https://www.flickr.com/photos/7822276@N03/albums/72157616404874317