*Bentley 27.P6.1821 Preston, L., Preston's Treatise on book-keeping. (cont. 3)
Same. 1842, 168, 32, l3p. 24 1/2 om., in 4s. *Bentley 37.P6.1342
Same. 1343. *Bentley 27.P6.1343 Contains his The book-keeper's diploma ana Preston's Cubical estimates...
Seme. 13844. 224, 40 p. *Bentley 37,.P6.1844 Contains his The book-keeper's diploma with separate
title-page ana paging. @ (cont. on next card)