Several arguments, proving, that inoculating the small pox is not contained in the law of physick, either natural or Divine, and therefore unlawful : Together with a reply to two short pieces, one by the Rev. Dr. Increase Mather, and another by an anonymous author, intituled, Sentiments on the small pox inoculated. And also, a short answer to a late letter in the New-England courant. By John Williams.