Poor Robin. 1719. An almanack after a new fashion [electronic resource] : Wherein the reader may see (if he be not blind) many remarkable things worthy of his choicest observation. Being the third after bissextile or leap-year. Containing a two-fold calendar. Viz. The Julian, or English, and the roundheads, or fanaticks; with their several saints days, and observations upon every month. Written by Poor Robin, knight of the Burnt Island, a Well-willer to the mathematicks