A fourth free-gift to the clergy : Being a discourse on the two apocalyptical witnesses: or, The hireling-priests, of what denomination foever again challeng'd to disputation on this question: Whether the hireling preachers of this age, who are all ministers of the letter, be not worshippers of the apocalyptical beast, and ministers of Anti-Christ? [B]y Thomas Woolston, Sometime Fellow of Sidney-College in Cambridge.