+1 -----Original Message----- From: Encoded Archival Description List [mailto:[log in to unmask]] On Behalf Of Saašha Metsärantala Sent: Saturday, June 09, 2012 10:14 PM To: [log in to unmask] Subject: Re: Altering dates to show BCE-CE Hello! Reading this thread, it seems that we could investigate the possibilities of including EDTF in some EAD attributes in the next version of EAD. EDTF can express intervals and approximate dates, including proleptic Gregorian dates. A link to EDTF is: http://www.loc.gov/standards/datetime/ Regards! Saašha,