Hunter, John Aubrey (2000). "Henry Gellibrand". Brief lives. Selected and edited with introduction, glossary and notes by John Buchanan-Brown. Foreword by Michael. Penguin Books. ISBN978-0-14-043589-4.
"Henry Gellibrand". The MacTutor History of Mathematics archive. School of Mathematics and Statistics, University of St. Andrews, Scotland. Retrieved 24 October 2011.