Parallēla dysparallēla, or, The loyal subjects indignation for his royal sovereign's decollation : expressed in an unparallel'd parallel between the professed murtherer of K. Saul and the horrid actual murtherers of King Charles I the substance whereof was delivered in a sermon preached at Allhallows Church in Northampton on (the day appointed for an anniversary humiliation in reference to that execrable fact) Jan. 30, 1660 /