Fad225: The graphics and fonts are "really sleek" because the brochure was designed at Cooper and Beatty - one of the leading design houses of that era. Allan Fleming, who designed the CN logo at about the same time, was creative director and Ken Rodmell and Jim Donoahue ( who taught us at OCA ) both worked there - all internationally recognized designers.
I was there an hour ago and bought Building With Wood ( and other aspects of 19th century building in Ontario ) by John I. Rempel ( U of T Press, 1967 ) from Bernie, who sells there every week. It's a well illustrated mine of structural and stylistic information about unusual forms - polygonal buildings for instance - from that era.
One of the dealers outside on the east side has some original photos of Lord Beaverbrook and Mitch Hepburn etc. and had no idea who they are of.