SOTHEBY'S -- Four catalogues of important collections not handled in these rooms: Harrison D. HORBLIT. The Celebrated Library of... London, 10 June and 11 November 1974. 2 volumes. -- Henry M. BLACKER II. The Library of... London, 11 October 1989. -- Haven O'MORE. The Collection of the Garden Ltd.. New York, 9 November 1989. List of estimates laid-in. -- George AMBRAMS. The George Abrams Collection. London, 16 November 1989.