A catalogue of scarce and valuable books: Being the Libraries of several Gentlemen deceased, including the Physical Library of the late Doctor Alexander Irvine, and Duplicates of many very scarce Books, from one of the most capital Libraries in this Country. Consisting of about four thousand volumes in History, Antiquities, Voyages and Travels, Architecture, Mathematicks, Dictionaries, Natural History, Divinity, Law, A most elegant Collection of the Greek and Latin Classics, And a great Variety of the best French and Italian Authors: Which will begin to be sold by auction, In Pitfoddels' Hall, Castlestreet, Aberdeen, On Monday February 19, 1781. The Books in general are in good Condition, many of them elegantly bound, and may be seen Three Days before the Auction. Catalogues to be had (gratis) at the Shop of A. Angus and son, Booksellers, Aberdeen, or of J. Walker, Auctioneer; who will carefully execute Commissions from the Country, or for those in Town who cannot attend.