Jones, Leonard A.; Reno, Conrad, eds. (1900). "Vermont: Stephen Royce, LL.D."The Judiciary and the Bar of New England for the Nineteenth Century. Boston, MA: Century Memorial Publishing Co. pp. 17–19 – via Google Books.
Historian of the United States House of Representatives. "Biography, Homer Elihu Royce". Biographical Directory of the United States Congress. Washington, DC: U.S. House of Representatives. Retrieved October 21, 2022.