A looking-glass for changlings [electronic resource] : A seasonable caveat against meddling with them that are given to change. : In a sermon preach'd at the free-mens meeting at New-Haven, April 11th, 1743. / By Isaac Stiles, A.M. Pastor of the Church of Christ in North-Haven. ; Published at the desire and cost of a number of the hearers. ; [Five lines of quotations]