(1) The Fundamental Equations of Dynamics and its Main Co-ordinate Systems Vectorially Treated and Illustrated from Rigid Dynamics (2) Projective Vector Algebra: An Algebra of Vectors Independent of the Axioms of Congruence and of Parallels (3) Elements of Graphic Dynamics: An Elementary Text-book for Students of Mechanics and Engineering (4) Differential Calculus for Colleges and Secondary-Schools (5) The Analytical Geometry of the Straight Line and the Circle