The first and second part of Gangræna, or, A catalogue and discovery of many of the errors, heresies, blasphemies and pernicious practices of the sectaries of this time, vented and acted in England in these four last yeers : 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 /