. . . "Electronic books"@en . . . . "Early works"@en . . "A new prognostication for the year of Christ, 1670 Being the second after bissextile or leap-year. By J.A. mathematician"@en . "A new prognostication for the year of Christ, 1670. : Being the second after bissextile or leap-year. By J.A. mathematician"@en . . . . . .