Here are some of her most notable books:
* "The Development of Canadian Thought, 1867-1914" (1950): A landmark work that examines the intellectual and cultural development of Canada during its formative years.
* "So Little for the Mind: Education in the Canadian West" (1952): A study of the early history of education in Western Canada, focusing on its challenges and limitations.
* "The History of the Canadian Federation" (1963): A comprehensive overview of the origins, evolution, and challenges of Confederation, written for a general audience.
* "Quebec: The Unfinished Revolution" (1971): A critical analysis of the political and social landscape of Quebec in the aftermath of the Quiet Revolution.
Besides these, she authored several other books and articles on Canadian history, particularly on the Canadian West, political culture, and educational development.
Her works are considered essential for understanding the history of Canada, especially the period of Confederation and the development of Canadian identity.