An amazing and extraordinary instance of frauds and oppression in a country govern'd by laws, and an affront upon the equity and justice of Ab---- n. Being the case of Mr. William Duff, professor of philosophy in the Marshal University of Aberdeen in Scotland. Address'd to the Rt Hon. the L----d H---- and Offer'd to the Consideration of all Honest Men; shewing the barbarous treatment of an honest family, in a short Narrative of certain most Remarkable Facts.