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I found a list of recommended source attributes for <controlaccess> subelements for names in the LC Best Practices guidelines:




and, indeed, the recommended attribute for Library of Congress Authority Files is "lcnaf". There is also a list of attributes for sources for subject headings on this page, under section  Section, the general overview for <controlaccess> gives a fuller list:


aat, cdwa, dot, gmgpc, lcnaf, lcsh, lctgm, local, mesh, mim, ncarules, nmc, rbgenr, tgn, ulan



The Best Practices guidelines are difficult to navigate to on the LC site; I've had this one bookmarked for a long time, but when I tried to navigate to it, I had to use the search box at www.loc.gov/ead. But there is a pdf version dated 2008 at




Best regards,




Karen D. Miller

Monographic/Digital Projects Cataloger

Northwestern University Library

Evanston, IL

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From: Encoded Archival Description List [mailto:[log in to unmask]] On Behalf Of Joyce Chapman
Sent: Thursday, October 23, 2008 1:43 PM
To: [log in to unmask]
Subject: Re: Not very good question about corpname


I'm pretty sure it's: source="lcnaf"

That stands for, "Library of Congress Authority Files."

Joyce Chapman

On Thu, Oct 23, 2008 at 2:29 PM, Randi Knutson <[log in to unmask]> wrote:

I am sorry, but I just cannot find this information anywhere, and our
archivist doesn't know either.  For the attribute source in corpname, if it
is the LOC Online Catalog, what is the code I should use for source?

This actually illustrates the hardest part of creating a finding aid, at
least for me.  The online docs do a great job of explaining what the
elements are, but gloss over what the allowable attributes are....
/end non-archivist opinion

Thanks in advance, and sorry for the lame question.....