"Calendars Early works to 1800." . . . . "Almanacs Early works to 1800." . . "Weather forecasting Early works to 1800." . . "Early works"@en . "M.D.C. XLI. Almanack et prognosticon sive speculum anni a nat. I.C. 1641 Et ab astrorum creatione Kepleriana 5634 being the first after bissextile, or leap-year. Wherein is contained a three-fold kalendar ecclesiasticall, viz. the Iulian: the Gregorian, and the true accompt, configuration, eclipses, and other clestial observations therein. Calculated exactly for the meridian of the honourable Citie of London composed by John Booker"@en . . "Early works" . . "M.D.C. XLI. Almanack et prognosticon sive speculum anni à nat. I.C. 1641" . "Speculum anni a nat. I.C"@en . . . . . "Electronic books"@en . . "Speculum anni à nat. I.C"@en . "M.D.C.XLI. Almanack et prognosticon sive speculum anni à nat. I.C. 1641 : Et ab astrorum creatione Keplerianâ 5634 being the first after bissextile, or leap-year. Wherein is contained a three-fold kalendar ecclesiasticall, viz. the Iulian: the Gregorian, and the true accompt, configuration, eclipses, and other cœlestial observations therein. Calculated exactly for the meridian of the honourable Citie of London composed by John Booker" . "Speculum anni à nat. I.C" . "M.D.C. XLI. Almanack et prognosticon sive speculum anni à nat. I.C. 1641 Et ab astrorum creatione Keplerianâ 5634 being the first after bissextile, or leap-year. Wherein is contained a three-fold kalendar ecclesiasticall, viz. the Iulian: the Gregorian, and the true accompt, configuration, eclipses, and other cœlestial observations therein. Calculated exactly for the meridian of the honourable Citie of London composed by John Booker"@en . "Almanack et prognosticon"@en . "Almanack et prognosticon" . . . . . . . . . . . . "M.D.C. XLI. Almanack et prognosticon sive speculum anni à nat. I.C. 1641. Et ab astrorum creatione Keplerianâ 5634 being the first after bissextile, or leap-year. Wherein is contained a three-fold kalendar ecclesiasticall, viz. the Iulian: the Gregorian, and the true accompt, configuration, eclipses, and other cœlestial observations therein. Calculated exactly for the meridian of the honourable Citie of London composed by John Booker"@en .