The great crisis : or, the mystery of the times and seasons unfolded; with relation to the late disorder and confusion of the seasons of the year, and other signs of the times. With considerations and observations, tending to better Understanding the Wisdom of Providence in the Order of the Ages; and as couch'd in the Prophetick Schemes and Emblems: and some calculations of the numbers of time, as pointing out the Introduction of the Blessed Age, or Great Sabbath of the World. Par I