*Bentley 27.P6.1831 Preston, L., Preston's Treatise on book-keeping. (cont.5)
Same. 1852. 224, 40, 8 p. 23 1/2 cm., in 4s, *Bentley 37.P6.1852 Contains his The book-keeper's diploma. 7 of the last 8 pages are aavertisements.
Same. 44th ed. revised... 1857. 280 p. *Bentley 57.P6. 1857 Included in the paging ana without a separate title- page is his Book-keeper's diploma.
Same. New [46th] stereotyped edition, revised, im- proved... 1860. 280 p. @ *Bentley 27.P6.1860