Gough, J., & O'Kelley, F. J. (1801). Practical arithmetic: In four books. ... Extracted from the large and entire treatise, and adapted to the commerce of Ireland as well as that of Great Britain. For the use of schools (The ninth genuine edition, carefully revised by John Gough, junr. ..). printed by John Gough, no. 20, Meath street.

Gough, John, and Francis J. O'Kelley. Practical Arithmetic: In Four Books. ... Extracted from the Large and Entire Treatise, and Adapted to the Commerce of Ireland as Well as That of Great Britain. For the Use of Schools. The ninth genuine edition, carefully revised by John Gough, junr. .. printed by John Gough, no. 20, Meath street, 1801.