I think the Sotheby's web site address is :http://www.sothebys.com, you'll
need the "s" on the end of Sotheby. Hope it helps...
Reid
<Snip>
>Their web
> site www.sotheby.com seems to be New York based but the "Information"
> lists phone numbers for all staff by specialisation worldwide, including
> Museum Liaison people, though in my experience the departmental subject
> specialists are always very happy indeed to help museums (or other people
> for that matter) track down and verify items from their past sales.