A catalogue of the elegant and valuable libraries of Charles Chauncy, M. D. F. R. S. and F. S. A. and of his brother, Nathaniel Chauncy, Esq. Both Deceased: Which (by Order of the Executors) Will be sold by Auction, By Leigh and Sotheby, Booksellers, At their House in York-Street, Covent Garden, On Thursday, April 15, 1790, and the Fourteen following Days (sundays excepted), Beginning each Day punctually at Twelve O'Clock. To be viewed on Thursday, April 8, to the Time of Sale. Catalogues (price 1 s) to be had of Mr. Becket, Pall-Mall; Robson, Bond-Street; Walter, Charing-Cross; Owen, Temple-Bar; Sewell, Cornhill; Mess Skinner and Dyke's, Aldersgate-Street; at the late Mr. Chauncy's House, Castle-Street, Leicester-Fields; and at the Place of Sale.