A triple almanacke for the yeere of our Lorde God 1591, being the thirde from the leape yeare wherein is conteyned, not onely the common accompt, which in this our realme is vsed, with the Romane kalender according to the late correction of Gregorie, but also, the true computation and reduction of the monethes ... referred principally to the meridian of London and for most respectes will serue for all Englande, and many other countries also.