The art of good husbandry, or, The improvement of time being a sure way to get and keep money. Wherein is prescribed several ruls [sic] for merchants, shop-keepers, and mechanick tradesmen, (as well servants as masters) how they may husband their time to the best advantage; the loss whereof is the sole cause of poverty in this city and nation. Likewise the loss of a mans time spent in a tavern, coffee-house, or ale-house, computed. Also instructions to all sorts of people, how to order their business for the future, both to the enriching of themselves and their families. In a letter to Mr. R.A. by R.T. With permission, August 7th 1675. Roger L'Estrange