I’d like to tap your collective and expert advice on a question that has arisen in a conjunction with an XSLT project we’ve been working on for one of our clients.
Basically, we’re looking at modifying the XSLT stylesheet we use to control the display of an EAD-encoded finding aid in our Aeon software so that it that it can accommodate situations
in which multiple container elements are contained within a single component element.
For example, here is the type of structure that we are being asked to accommodate:
<c02 id="123" level="file">
<container id="cid997" type="Text" label="Box">1</container>
<container parent=" cid997" type="Folder">A-B</container>
<container id=" cid998" type="Text" label="Box">1</container>
<container parent=" cid998" type="Folder">C-D</container>
<container id=" cid999" type="Maps" label="Box">2</container>
<container parent=" cid999" type="Folder">A-B</container>
Our current stylesheet displays a functional HTML checkbox to the left of the display of the first container element to facilitate an automated paging request, thus:
[ ] Box 1, Folder A-B; Box 1, Folder C-D; Box 2, Folder A-B
What our client would prefer, however, is a display like the following:
While we do not anticipate any particular technical challenges in making this accommodation, we’re wondering whether other institutions employ this type of encoding structure and whether
the EAD community has any particular guidance on whether it desirable or not. In other words, were wondering whether we should plan to make whatever accommodation we devise a feature of our standard stylesheet.
The discussions of container and component elements in the EAD Tag Library do not appear to address this situation, although from what we can tell the EAD 2002 DTD and Schema allow it.
We also have not found any relevant threads in the EAD list archives since EAD 2002 was introduced, except the following from Jodi Allison-Bunnell, which recognizes the need to have multiple containers in a series or sub-series, but seems to suggest that the
containers numbers should be included as a range or series in a single container element:
In our client’s case, however, listing the containers in a single element won’t be practical since the ultimate purpose of the structure is to enable each container to be requested individually.
In the AT world, there has been some discussion of the efficacy of creating “multiple instances” to manage situations in which a microfilm or other physical surrogate version of a file
might be kept by the repository, such as in this example, which was included in a message posted on May 30, 2012:
<c01 id="ref2" level="file">
<unittitle>Clerk in charge of Accounts, Solomon Is. Submits H. Cr's A/c. for the
Solomon Islands for the month of October, 1916, 1917</unittitle>
<container id="cid125006" type="Reel" label="Microform">MSS Microfilm
<container id="cid125005" type="Reel" label="Microform">AU Microfilm
<container id="cid125004" type="Box" label="Text (C3026724)"
Discussion on the AT list does not seem to have any reached any conclusions regarding the desirability or propriety of such structures.
And so I bring the question to this forum: are there any reasons for avoiding this type of usage? Is there any sense whether EAD 3.0 will allow or disallow it? Does anyone have any other
recommendations on how to use EAD to address these types of situations?
Christian Dupont, PhD, MLIS
Atlas Systems - Library excellence through efficiency
office: 757-467-7872 x215 fax: 757-467-7875 mobile: 434-242-6096
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