John A. : the man who made us : the life and times of John A. Macdonald by Gwyn, Richard J. (2008) p.433 Gwyn, Richard J. (28 October 2008). the life and times of John A. Macdonald. Random House of Canada. ISBN978-0-679-31476-9. Retrieved 20 March 2023.
James P. Byrd, The challenges of Roger Williams: religious liberty, violent persecution, and the Bible (Mercer University Press, 2002)[1] (accessed on Google Books on July 20, 2009)