A briefe instruction and maner hovv to keepe bookes of accompts after the order of debitor and creditor : & as well for proper Accomptapartibile, etc. : by the three books named the memoriall lournall & leager, and of other necessaries appertaining to a good and diligent merchant, the which of all other reckoninges is most lawdable for this treatise well and sufficiently knowen, all other wayes and maners may be the easier & sooner discerned, learned and knowen /