The great sin and chief guiltiness of Scotland : In the contempt of the Gospel, as it was branched out in particulars, by the commission of the general assembly, in the year, 1650. Re-printed Anno 1654, at the desire of the synod of Lothian, for the fast appointed by them in that year: now again re-printed, with a preface by Mr. Thomas Boston minister of the Gospel at Etterick.