An epistle of caution to Friends to take heed of that treacherous spirit that is entred into W.R. and his abettors : (as appears in his malicious book, falsly called The Christian-Quaker, &c.) ... : with wholsome advice and counsel, by way of information, that the simple-minded may not be ensnared by the crafts and wiles of Satan through faith fallen antichristian instruments is W.R. and such as are encred into the same malicious spirit with him /