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T. C. Bruff

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Lippincott's Practical Primary Arithmetic Being the Development of the Early Ideas of Number and Its Practical Application in the First and Second Grades (Classic Reprint)
Lippincott's Practical Primary Arithmetic Being the Development of the Early Ideas of Number and Its Practical Application in the First and Second Grades (Classic Reprint)
Lippincott's Practical Primary Arithmetic, Vol. 2 Being the Development of the Early Ideas of Number and Its Practical Application in the Third and Fourth Grades (Classic Reprint)
Lippincott's Practical Primary Arithmetic. Being the Development of the Early Ideas of Number and Its Practical Application in the Third and Fourth Grades. Second Book