Ray's New Intellectual Arithmetic, Book 2
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Primary Elements Of Algebra; For Common
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Elements Of Algebra
For Colleges, Schools, And Private Students »

Ray's New Primary Arithmetic for Young Learners
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New Elementary Algebra
Primary Elements of Algebra, for Common Schools and Academics »

Three Thousand Test Examples In Arithmetic
Drill Exercises for Review »

Ray's Algebra, Part First; On The Analyt
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Ray's Algebra, Part First
On the Analytic and Inductive Methods of Instruction »

Key to Ray's Modern Arithmetics
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Ray's Arithmetical Key
Containing Solutions To The Questions In Ray'S Third Book, And To Some Of The Most Difficult Questions In The Second Book: Also An Appendix, Of Test Examples... »