QALO1 eW2l
ARITHMETIC—BEFORE 186.
Walsh, Michael, 1763-180.
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 ... Newburyport: Printed by E. M. Blunt (proprietor.) 1801.
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@ QA101.W21