*Bentley 61.M2.1851 Mayhew, Ira, 1814-1894. A practical system of book-keeping by single and
double entry. New York. Cady & Burgess. 1851. 144 p. 18 cn.
Same. 1852. *Bentley 61.M2.1852 Same. New York. Burgess & Co. 1855 *Bentley 61.M2.1855 Same. [20th edition.] Boston. Chase, Nichols &
Hill. [1856.] *Bentley 61.M2.1856 Same, Bazin & Ellsworth. 3935.155 = *#Bentley 61.M2. 1856K
& (cont. on next card)