Grouping of (2) Christie's and Sotheby's Auction Catalogs focusing on the Collections of Private Estates. Catalogs consist of detailed lot descriptions, mostly illustrated in Color, Terms & Conditions, and other associated Auction Information. Includes (1) "The Doris Duke Collection" 3-5 June 2004 (623 pgs, 1137 lots), (1) "Property of the Greentree Foundation from the Collection of Mr. & Mrs. John Hay Whitney Fine & Decorative Works of Art" May 18, 2004 (139 pgs, 214 lots). Catalogs contain hand-written margin notes in pen, some on the Catalog Covers. The Christie's Catalog contains printouts of the Auction results with Prices & Lots. Provenance: Directly from consigner. Her husband was a doctor on The Main Line, Wayne, Pennsylvania. He predominantly collected Philadelphia silver, London silver and other objects of considerable interest including fine art, period furniture, Oriental rugs and fine reproductions in the manner of Williamsburg Virginia furnishings by kittinger and Baker.