A treatise concerning the covenant and baptism dialogue-wise, between a Baptist & a Poedo-Baptist : wherein is shewed, that believers only are the spirituall seed of Abraham, fully discovering the fallacy of the argument drawn from the birth priviledge : with some animadversions upon a book intituled Infant-baptism from heaven and not of men, defending the practise of baptizing only believers against the exceptions of M. Whiston /