Bell, Clifford. Fundamentals of Arithmetic for Teachers / Textual Documents Clifford Bell, Clela D. Hammond & Robert B.Herrera. - 1st ed. / - New York : John Wiley & Sons , C1962. - x,389p. : ill ; 22cm . Index Subjects--Index Terms: Mathematics Arithmetic-Teachers G-Mathematics Dewey Class. No.: 511 / B 413 F