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Michele,

I remember being confused about this when starting to look at collection dates in our EAD records.  For our personal best practices, I opted for this:

Include type="bulk" when necessary
Include type="inclusive" when a date range
Exclude the type attribute altogether if a single date

That way, I figured that I could easily isolate all three instances if need be.

Mark Custer



-----Original Message-----
From: Encoded Archival Description List [mailto:[log in to unmask]] On Behalf Of Kris Kiesling
Sent: Wednesday, July 28, 2010 12:18 PM
To: [log in to unmask]
Subject: Re: Question about unitdate type attribute

The type attribute value "single" was valid in EAD Version 1.0,
but was deprecated in Version 2002 (I don't recall why at this
point), so is no longer a valid value for <unitdate type="">.

Kris

Kris Kiesling
Elmer L. Andersen Director of Archives and Special Collections and

Assistant University Librarian for Special Collections Advancement
305 Andersen Library
222 21st Ave. S.
University of Minnesota
Minneapolis, MN  55455
voice:  612-626-5776
fax:  612-625-5525

  

-----Original Message-----
From: Encoded Archival Description List
[mailto:[log in to unmask]] On Behalf Of Michele R Combs
Sent: Wednesday, July 28, 2010 10:49 AM
To: [log in to unmask]
Subject: Question about unitdate type attribute

For unitdate, the RLG best practices document mentions three
kinds: bulk, inclusive, and single.  (See page 14 here
http://www.oclc.org/research/activities/past/rlg/ead/bpg.pdf ).
However, the EAD Tag Library only mentions bulk and inclusive (see
http://www.loc.gov/ead/tglib/elements/unitdate.html ).

Is 'single' in fact a legitimate option for the 'type' attribute?
Since the RLG BP also says the type attribute is mandatory, we've
just been using type=inclusive for all dates regardless, but now
that I've noticed this in the RLG doc, it's made me wonder.

Michele

(be green - don't print this email!)
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Michele Combs
Manuscripts Librarian
Special Collections Research Center
Syracuse University Libraries
222 Waverly Ave.
Syracuse, NY  13244
315-443-2081
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