Charles C. Canadian-American Relations, 1875-1911 (1943) Warner; Donald Frederic. The Idea of Continental Union: Agitation for the Annexation of Canada to the United States, 1849-1893 (University of Kentucky Press, 1960) online Canada–United States relations National unifications Political movements in Canada Political history of Canada Separatism in Canada Secessionist organizations in Canada Pan-Americanism Irredentism in the United States