A new and complete system of arithmetic composed for the use of the citizens of the United States - Pike, Nicolas 1743-1819 (Printed and sold by J. Mycall, 1788)
Filmed from the copy at Beinecke Library; copy imperfect: p. 22-23 wanting. - Goldsmiths'-Kress no. 13536.8-0. - OCLC, 24449054. - Reproduction of original from Beinecke Library, Yale University