Plain-dealing with a traducing Anabaptist, or, Three letters writ upon occasion of some slanderous reflections given and promoted against William Penn by one John Morse published for common benefit that all impartial people may be better acquainted with the invective spirit of some so called, and their ungodly sly way of defaming such as dissents from them, especially in their restless indeavours against the poor Quakers / by W.P.