Modern diplomatic and political history, post-1945 Canadian history.
A specialist in post-1945 international and Canadian history, Professor Bothwell is the co-author of a list of books including C.D. Howe (1979), Canada 1900-1945 (1987), Canada Since 1945 (1989), Pirouette (1990), Our Century (2000). He has also written Eldorado (1984), Nucleus (1989), Canada and the United States (1992), Canada and Quebec (1995),The Big Chill (1998), The Penguin History of Canada (2006) and Alliance and Illusion (2007). He has been a co-editor and editor of the Canadian Historical Review (1972-80). He is working on a book on Canadian foreign relations since 1984.