Authority Control at Yale

MARS Processing of Subject Fields


Explanation of MARC21 6xx fields: http://lcweb.loc.gov/marc/bibliographic/ecbdsubj.html

Current Profile (implemented December 2002):

600/610/611/630/650/651 2nd ind = blank -- match to LC and convert (delete unmatched headings)
600/610/611/630/650/651 2nd ind = 0 -- process
600/610/611/630/650/651 2nd ind = 1 -- match to LC and convert (delete unmatched headings)
600/610/611/630/650/651 2nd ind = 2 -- process (but do not send MeSH authority records)
600/610/611/630/650/651 2nd ind = 3 -- match to LC and convert (delete unmatched headings)
600/610/611/630/650/651 2nd ind = 4 -- ignore
600/610/611/630/650/651 2nd ind = 5 -- match to LC and convert (delete unmatched headings)
600/610/611/630/650/651 2nd ind = 6 -- delete
600/610/611/630/650/651 2nd ind = 7 -- delete (exception: retain heading if contains $2 lctgm or $2 sk [latter implemented September 2004])
600/610/611/630/650/651 2nd ind = 8 -- match to LC and convert (delete unmatched headings)
600/610/611/630/650/651 2nd ind = 9 -- match to LC and convert (delete unmatched headings)
653/654/658 -- delete
655/656/657 -- ignore
690 (X50) -- ignore
691 (X51) -- ignore
692 (X00) -- do not correct/send authority records only
693 (X10) -- do not correct/send authority records only
694 (X11) -- do not correct/send authority records only
695 (X30) -- ignore

Previous Profile:

600/610/611/630/650/651 2nd ind = blank -- match to LC and convert (delete unmatched headings)
600/610/611/630/650/651 2nd ind = 0 -- process
600/610/611/630/650/651 2nd ind = 1 -- match to LC and convert (delete unmatched headings)
600/610/611/630/650/651 2nd ind = 2 -- process (but do not send MeSH authority records)
600/610/611/630/650/651 2nd ind = 3 -- match to LC and convert (delete unmatched headings)
600 2nd ind = 4 -- do not correct/send authority records only
610 2nd ind = 4 -- do not correct/send authority records only
611 2nd ind = 4 -- do not correct/send authority records only
630 2nd ind = 4 -- ignore
650 2nd ind = 4 -- ignore
651 2nd ind = 4 -- ignore
600/610/611/630/650/651 2nd ind = 5 -- match to LC and convert (delete unmatched headings)
600/610/611/630/650/651 2nd ind = 6 -- delete
600/610/611/630/650/651 2nd ind = 7 -- delete
653/654/655/656/657/658 -- ignore
690 (X50) -- ignore
691 (X51) -- ignore
692 (X00) -- do not correct/send authority records only
693 (X10) -- do not correct/send authority records only
694 (X11) -- do not correct/send authority records only
695 (X30) -- ignore


URL: http://www.library.yale.edu/cataloging/authorities/mars6XX.html
Comments to: Manon Théroux <manon.theroux@yale.edu>
Last revised: 14 October 2004
© 2003 Yale University Library