A new system of mercantile arithmetic: adapted to the commerce of the United States, in its domestic and foreign relations; with forms of accounts and other writings usually occurring in trade. By Michael Walsh.

Northampton: Published by S. & E. Butler, proprietors of the copy right.--Sold also by Hudson & Goodwin, Oliver D. Cooke, and Lincoln & Gleason, Hartford; Beers & Howe, and Increase Cooke & co. New-Haven. T. M. Pomroy, printer, 1807.