Commercial hints and companion to the counting-house, &c single entry book-keeping on a new and important system - Smith, Thomas (Printed for the author, by E.C. & W. Osborne, 1840)
"Preface to the second edition" signed by the author. - Goldsmiths'-Kress no. 31589. - Includes indexes. - OCLC, 18514000. - Reproduction of original from Goldsmiths' Library, University of London. - T.p. of first part not filmed
Practical treatise on a new and important system of single entry book-keeping (2nd ed., 1840) -- Double entry book-keeping, practically explained and simplified (2nd ed., 1840)