[Canada, Toronto] Heaton, Earnest. Canadian Standard Guides Toronto Official Guide. An Encyclopaedia Presented to the Local Committee to the Members of the British Association for the Advancement of Science. Toronto: the Heaton Publishing Company, 1924. 15 cm, [iv; iv; 53; vi] Paper wrapper decorated with the former motto of the City of Toronto, “Industry – Intelligence – Integrity,” with the former coat of arms for Toronto, of an indigenous chief in a full headdress opposite Britannia, both figures flanked a shield surmounted by a crown and a beaver. Illustrated with maps: “The Centre of Toronto Showing Principal Buildings, etc”; “Highway Map of Ontario”; and, “Map Showing Suburbs of Toronto Through Motor Routes and Outlets Steam Railways and Radial Electric Railways Especially Prepared for Heaton’s Official Guide.” An alphabetized pocket guide, there is an interesting entry under “Connaught Laboratories,” for the Insulin Division, Organized in 1922. Fine condition.