The office of Gospel ministers, in preaching the word of God [microform] : A sermon preach'd at Lynn, March 2. 1763. At the ordination of the Rev. Mr. John Treadwell, M.A. to the pastoral office over the First Church in that place. / By Nathaniel Rogers, M.A. Pastor of the First Church in Ipswich. ; To which is added, the charge, by the Rev. Mr. Wigglesworth: and the right hand of fellowship, by the Rev. Mr. Robie