The ready reckoner, or, Trader's most useful assistant in buying and selling all sorts of commodities, either wholesale or retail shewing at one view the amount or value of any number or quantity of goods or merchandize, from one farthing to twenty shillings ... - Fenning, Daniel (Printed for G.G. & J. Robinson, J. Johnson, and G. Wilkie, and by and for B.C. Collins, 1801)
Chiefly tables. - Goldsmiths'-Kress no. 18262. - OCLC, 16638575. - Reproduction of original from Goldsmiths' Library, University of London