I've found this useful at times:
http://www.itsmarc.com/crs/bib1468.htm

It's apparently not maintained, but lists more fields as "obsolete"
than the "selected" ones on the LC list - probably best to use both
together.

--Andy

On Wed, Jan 27, 2010 at 12:23 PM, Jonathan Rochkind <[log in to unmask]> wrote:
> Aha! Not quite, but that did have a link to what I did mean! The Appendix H
> "Local/Obsolete Data Elements" page at:
> http://www.loc.gov/marc/bibliographic/bdapndxh.html
>
> Thanks!
>
> I missed this becuase on the table of contents for the MARC documentation,
> Appendix H is just called "Local Data Elements", without the word
> "Obsolete", which left me not realizing on reading the ToC that that's what
> I wanted. Phew. Thanks!
>
> Jonathan
>> I know I've seen documetnation on the LC site before for since-abandoned
>> marc bib tags, like 400. But I can't for the life of me find it now
>> navigating around the website or googling. does anyone know where this is?
>>
>> Jonathan
>>
>>
>