The new discoverer discover'd. : By way of answer to Mr. Baxter his pretended discovery of the Grotian religion, with the several subjects therein conteined. To which is added an appendix conteining a rejoynder to diverse things both in the Key for Catholicks, and in the book of disputations about church-government and worship, &c. Together with a letter to the learned and reverend Dr. Heylin, concerning Mr. Hickman and Mr. Bagshaw.