About Colleen Gray Colleen Gray teaches history at Concordia University and is the author of The Congrégation de Notre-Dame, Superiors, and the Paradox of Power, 1693-1796. Books by Colleen Gray No Ordinary School The Study, 1915-2015 by (author) Colleen Gray No Ordinary School The Study, 1915-2024 by (author) Colleen Gray The Congrégation de Notre-Dame, Superiors, and the Paradox of Power, 1693-1796 by (author) Colleen Gray