At the National Museum of African Art, we use the text field "Exhibition History" to record any exhibitions an object might have been in prior to its coming into the collection. Thereafter, we link the object to shows in the Exhibitions Module, with either an exhibition attribute type of "Exhibition Origin" - either "in house" or "external." It's a good way to keep track. Jeffrey Smith Database Administrator Smithsonian Institution PO Box 37012 National Museum of African Art Room 1110, MRC 708 Washington, DC 20013-7012 [log in to unmask] phone 202-35-74600 ext. 242 fax 202-357-4879