A catalogue of books being the library of the learned Dr. John Clerk, physician in Edinburgh : and of Dr. David Clerk, his son, consisting of a large and valuable collection of medical books, antient and modern, a fine collection of classics, of many various editions, and many excellent books of arts, sciences, the mathematics, and belle lettres : which will begin to be sold by auction, on Monday the 23d of January 1769, by William Gibb, at the auction-room below Balfour's Coffee House