Graftons abridgement of the chronicles of Englande, newely corrected and augmented, to thys present yere of our Lord. 1572. And in thende of thys abridgement is added a propre & necessary treatise, conteynyng many good rules, and specially one excellent maner of computacion of yeres, whereby you maye readely finde the date and yeres of any euide[n]ce. The particuler contentes of this booke appereth in the next page folowing