Thomson, J. (1830). A treatise on arithmetic, in theory and practice, with an appendix, containing an introduction to mensuration (Eighth edition, adapted to the present system of weights, measures, and currency.). stereotyped and printed by Simms and M'Intyre, Donegall-Street.

Thomson, James. A Treatise on Arithmetic, in Theory and Practice, with an Appendix, Containing an Introduction to Mensuration. Eighth edition, adapted to the present system of weights, measures, and currency. stereotyped and printed by Simms and M'Intyre, Donegall-Street, 1830.