1. The scholar's assistant, or, A plain, comprehensive, and practical system of arithmetic: to which is prefixed an introduction, containing a practical illustration of the primary rules, and of the tables of money, weights, and measures : designed for the use of schools in the United States Author(s): Cooper, J. G. (Joab Goldsmith), -1832 Publication: Philadelphia : Towar & Hogan, 1830 Subject(s): Mathematical Concepts