Key to Ray's New Arithmetics

Ray's Arithmetic, Second Book

Ray's New Primary Arithmetic for Young Learners, Book 1

Key to Ray's Algebra, Parts First and Second

New Elementary Algebra

Key To Ray's New Algebras, Elementary And Higher

Ray's Algebra, Part First

Ray's Algebra, Part Second

Ray's New Practical Arithmetic

Ray's New Intellectual Arithmetic

Treatise on Plane and Solid Geometry ... Written for the Mathematical Course of Joseph Ray, M. D.