Gangræna: or A catalogue and discovery of many of the errours, heresies, blasphemies and pernicious practices of the sectaries of this time, vented and acted in England in these four last years: : as also, a particular narration of divers stories, remarkable passages, letters; an extract of many letters, all concerning the present sects; together with some observations upon, and corollaries from all the fore-named premisses. /