美國與加拿大的防務合作比世界上其他國家更廣泛[44]。1940年，兩國設立國防常設聯合理事會（英語：Permanent Joint Board on Defense），提供政策級別磋商兩國國防事務。美國和加拿大共享北大西洋公約組織共同安保承諾。此外，美國與加拿大軍隊於1958年聯合建立了北美空防司令部。九一一事件後，加拿大堅定支持美國建立反恐聯盟，參加了美對阿富汗的軍事行動。2003年伊拉克戰爭期間，加拿大部隊為美國入侵伊拉克提供支援[45]，加拿大重視聯合國作用，強調解除伊武裝應在聯合國框架內解決，並拒絕參與對伊戰爭[4]。
Marcus Lee Hansen, The Mingling of the Canadian and American Peoples. Vol. 1: Historical (1940); David D. Harvey, Americans in Canada: Migration and Settlement since 1840 (1991)
Yves Roby, The Franco-Americans of New England (2004); Elliott Robert Barkan, "French Canadians" in Stephan Thernstrom, ed. Harvard Encyclopedia of American Ethnic Groups (1980) P389-401
Patrick Bode, "Upper Canada, 1793: Simcoe and the Slaves," Beaver 1993 73(3): 17-19; Paul Robert Magocsi, ed. Enyclopedia of Canada's Peoples (1999) p 142-3
Munro, John A. English-Canadianism and the Demand for Canadian Autonomy: Ontario's Response to the Alaska Boundary Decision, 1903. Ontario History. 1965, 57 (4): 189–203.
Richard Jensen, "Nationalism and Civic Duty in Wartime: Comparing World Wars in Canada and America," Canadian Issues / Thèmes Canadiens, December 2004, pp 6-10
Rachel Lea Heide, "Allies in Complicity: The United States, Canada, and the Clayton Knight Committee's Clandestine Recruiting of Americans for the Royal Canadian Air Force, 1940-1942," Journal of the Canadian Historical Association, 2004, Vol. 15, pp 207–230
Bruce Muirhead, "From Special Relationship to Third Option: Canada, the U.S., and the Nixon Shock," American Review of Canadian Studies, Vol. 34, 2004 online edition （頁面存檔備份，存於互聯網檔案館）
Azzi, Stephen. Reconcilable Differences: A History of Canada-US Relations (Oxford University Press, 2014)
Behiels, Michael D. and Reginald C. Stuart, eds. Transnationalism: Canada-United States History into the Twenty-First Century (McGill-Queen's University Press, 2010) 312 pp. online 2012 review（頁面存檔備份，存於互聯網檔案館）
Bothwell, Robert. Your Country, My Country: A Unified History of the United States and Canada (2015), 400 pages; traces relations, shared values, and differences across the centuries
Doran, Charles F., and James Patrick Sewell, "Anti-Americanism in Canada," Annals of the American Academy of Political and Social Science, Vol. 497, Anti-Americanism: Origins and Context (May 1988), pp. 105–119 in JSTOR（頁面存檔備份，存於互聯網檔案館）
Clarkson, Stephen. Uncle Sam and Us: Globalization, Neoconservatism and the Canadian State (University of Toronto Press, 2002)
Engler, YvesThe Black Book of Canadian Foreign Policy. Co-published: RED Publishing, Fernwood Publishing. April 2009. ISBN 978-1-55266-314-1.
Ek, Carl, and Ian F. Fergusson. Canada-U.S. Relations (Congressional Research Service, 2010) 2010 Report（頁面存檔備份，存於互聯網檔案館）, by an agency of the U.S. Congress
Granatstein, J. L. Yankee Go Home: Canadians and Anti-Americanism (1997)
Granatstein, J. L. and Norman Hillmer, For Better or for Worse: Canada and the United States to the 1990s (1991)
Gravelle, Timothy B. "Partisanship, Border Proximity, and Canadian Attitudes toward North American Integration." International Journal of Public Opinion Research (2014) 26#4 pp: 453-474.
Gravelle, Timothy B. "Love Thy Neighbo (u) r? Political Attitudes, Proximity and the Mutual Perceptions of the Canadian and American Publics." Canadian Journal of Political Science (2014) 47#1 pp: 135-157.
Hale, Geoffrey. So Near Yet So Far: The Public and Hidden Worlds of Canada-US Relations (University of British Columbia Press, 2012); 352 pages focus on 2001-2011
Holland, Kenneth. "The Canada–United States defence relationship: a partnership for the twenty-first century." Canadian Foreign Policy Journal ahead-of-print (2015): 1-6. online （頁面存檔備份，存於互聯網檔案館）
Holmes, Ken. "The Canadian Cognitive Bias and its Influence on Canada/US Relations." International Social Science Review (2015) 90#1 online（頁面存檔備份，存於互聯網檔案館）.
Holmes, John W. "Impact of Domestic Political Factors on Canadian-American Relations: Canada," International Organization, Vol. 28, No. 4, Canada and the United States: Transnational and Transgovernmental Relations (Autumn, 1974), pp. 611–635 in JSTOR （頁面存檔備份，存於互聯網檔案館）
Innes, Hugh, ed. Americanization: Issues for the Seventies (McGraw-Hill Ryerson, 1972). ISBN 0-07-092943-2; re 1970s
Lennox, Patrick. At Home and Abroad: The Canada-U.S. Relationship and Canada's Place in the World (University of British Columbia Press; 2010) 192 pages; the post–World War II period.
Little, John Michael. "Canada Discovered: Continentalist Perceptions of the Roosevelt Administration, 1939-1945," PhD dissertation. Dissertation Abstracts International, 1978, Vol. 38 Issue 9, p5696-5697
Lumsden, Ian, ed. The Americanization of Canada, ed. ... for the University League for Social Reform (University of Toronto Press, 1970). ISBN 0-8020-6111-7 pbk.
Graeme S. Mount and Edelgard Mahant, An Introduction to Canadian-American Relations (1984, updated 1989)
Molloy, Patricia. Canada/US and Other Unfriendly Relations: Before and After 9/11 (Palgrave Macmillan; 2012) 192 pages; essays on various "myths"
Mount, Graeme S. and Edelgard Mahant, Invisible and Inaudible in Washington: American Policies toward Canada during the Cold War (1999)
Muirhead, Bruce. "From Special Relationship to Third Option: Canada, the U.S., and the Nixon Shock," American Review of Canadian Studies, Vol. 34, 2004 online edition（頁面存檔備份，存於互聯網檔案館）
Tagg, James.. "'And, We Burned down the White House, Too': American History, Canadian Undergraduates, and Nationalism," The History Teacher, Vol. 37, No. 3 (May 2004), pp. 309–334 in JSTOR （頁面存檔備份，存於互聯網檔案館）
Tansill, C. C. Canadian-American Relations, 1875-1911 (1943)
Thompson, John Herd, and Stephen J. Randall. Canada and the United States: Ambivalent Allies (4th ed. McGill-Queen's University Press, 2008), 387pp, the standard scholarly survey
第一手來源
Gallagher, Connell. "The Senator George D. Aiken Papers: Sources for the Study of Canadian-American Relations, 1930-1974." Archivaria 1#21 (1985) pp 176-79 online（頁面存檔備份，存於互聯網檔案館）.
加拿大
美利堅合眾國
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