Those Things Necessary to the Successful Businessman. Methods of Properly Keeping a Ledger and Journal in Venice and Elsewhere.

In addition to the subjects already dealt with in this book, I have prepared this greatly needed special treatise so that the respectful subjects of the Duke of Urbino may have all the rules that successful businessmen require. ¹ The present treatise is included for this reason only: It will serve all the needs of the subjects regarding accounts and recording. Therefore, I intend to give sufficient rules to enable businessmen to keep all their accounts and books in an orderly fashion.