- The Principles of the Differential and Integral Calculus Simplified
 - Principles of Geometry, Mensuration, Trigonometry, Land-Surveying and Levelling
 - Going Up in a Parachute: A Powered Parachute Manual & Sourcebook for the Beginner
 - Exercises In Arithmetic For Elementary Schools: After The Method Of Pestalozzi
 - Algebra Made Easy
 





























