Abraham Lincoln’s Cyphering Book and Ten other Extraordinary Cyphering Books

by Ellerton, Nerida F., Ellerton, Nerida F., Clements, M. A. (Ken).
Published 2014

Thomas Jefferson and his Decimals 1775–1810: Neglected Years in the History of U.S. School Mathematics

by Clements, M.A. (Ken)., Clements, M.A. (Ken)., Ellerton, Nerida F.
Published 2015