[1] Tolerant Allies: Canada and the United States, 1963-1968, pp. 158-162
[2] Walter Gordon and the Rise of Canadian Nationalism, pp. 143-153.
[3] As OTL:
https://history.state.gov/historicaldocuments/frus1964-68v12/persons
[4] But not
too much nationalism, Quebec.
[5] From two OTL articles: Detroit News, Feb. 9, 1967 and Feb. 14, 1967