Allen, R. D., active 1889-1890. Part of a monograph on the use of arithmetic in teaching intellect and character; according to the new system set forth in Pedagogics, by R. D. Allen ... and J. T. Gaines ... - [Louisville?] J. T. Gaines, c1890. - 1 p.l., 4-60 p. 19 cm. LCCN: e 14001694 Subjects--Topical Terms: Arithmetic--Study and teaching. LC Class. No.: QA135.5 / .A524