Authors: Joseph Ray

  • Elementary Algebra Ray’s Algebra. Part First: On the Analytic and Inductive Methods of Instruction: With Numerous Practical Exercises. Designed for Common Schools and Academies — Joseph Ray

    Elementary Algebra Ray’s Algebra. Part First: On the Analytic and Inductive Methods of Instruction: With Numerous Practical Exercises. Designed for Common Schools and Academies — Joseph Ray

  • Ray’s Higher Arithmetic the Principles of Arithmetic, Analyzed and Practically Applied by Joseph Ray Ed by Chas E Matthews, M A — Joseph Ray

    Ray’s Higher Arithmetic the Principles of Arithmetic, Analyzed and Practically Applied by Joseph Ray Ed by Chas E Matthews, M A — Joseph Ray

  • Ray’s Modern Intellectual Arithmetic A Revised Edition Of Ray’s Intellectual Arithmetic (1905) — Joseph Ray

    Ray’s Modern Intellectual Arithmetic A Revised Edition Of Ray’s Intellectual Arithmetic (1905) — Joseph Ray

  • Key to Ray’s New Arithmetics Intellectual and Practical — Joseph Ray

    Key to Ray’s New Arithmetics Intellectual and Practical — Joseph Ray