Books:
* Le Marquis de Montcalm (1898): A historical biography of Louis-Joseph de Montcalm, a French general who played a prominent role in the French and Indian War.
* Cours d'Histoire du Canada (1919): A multi-volume history of Canada, considered a seminal work in Canadian historiography.
* Jean Talon, Intendant de la Nouvelle-France (1933): A biography of Jean Talon, one of the most significant administrators in New France.
* Le Canada Français (1913): A collection of essays on French Canadian history, society, and culture.
* Mélanges historiques et littéraires (1923): A collection of essays and articles on various topics related to Canadian history, literature, and politics.
Other Works:
* Chapais was also a prolific journalist and newspaper editor. He co-founded and edited the influential French-language newspaper Le Canada and wrote extensively on political and social issues.
* He served as a member of the Canadian Senate from 1911 to 1942, where he was a vocal advocate for French Canadian interests.
Overall, Jean Charles Chapais is recognized as a leading figure in French Canadian intellectual and political life. His writings on Canadian history and culture continue to be studied and appreciated today.