How are others encoding BCE dates? ISO standard seems to be vague on it. Would this be right? <unitdate normal="-2100/-2000" type="inclusive">circa 2100-2000 BCE</unitdate> Michele +++++++++ Michele Combs | Lead Archivist Special Collections Research Center Syracuse University Libraries 222 Waverly Ave Syracuse, New York 13244 t 315.443-2081 | e [log in to unmask] | w scrc.syr.edu SYRACUSE UNIVERSITY syr.edu