Poor Robin [electronic resource] : 1721. An almanack after the old and new fashion: Wherein The Reader may see (if he be not blind) many remarkable Things worthy of Observation. Being the first 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 each Month. Written by Poor Robin, Knight of the Burnt Island, a Well-Wisher to the Mathematicks.