[yul-naco] LC & OCLC as alternatives to RLIN21

[Manon Theroux]

Some of you may be getting frustrated when searching the RLIN21 bib files 
as part of your NACO work (in order to determine predominant usage, see 
whether BFM is needed at LC, etc.).

Just a reminder that you can search bib records in either OCLC or the LC 
OPAC as an alternative when doing NACO work.

LC OPAC: http://catalog.loc.gov/

The LC OPAC contains many bib records that are not in RLIN21; some of these 
records may contain headings labeled "[old catalog heading]". If you decide 
to cite such a heading in your NACO record, do it like this:

670 $a LC database, date $b (hdg.: ... [from old catalog])

Also, remember that BFM is NOT to be reported for these headings. More info:
http://www.loc.gov/catdir/pcc/naco/bfmfaq.html

-Manon