We find catalogs are valuable free sources of information and we save many of the new ones in our library. Georg Jensen: An Important Single Owner Collection (Alastair Crawford, 1044 Madison Ave., 4th Floor, New York, NY 10075, 52 pages, 2007) is an illustrated, priced catalog of a collection of vintage Georg Jensen jewelry for sale at Alastair Crawford, a New York City shop. You can download the catalog free at AlastairCrawford.com. Scroll to the bottom of the page and follow the links in the red box. Or call 212-249-3602 for more information.