Any authors, series title and subjects that are unauthorized should be checked in OCLC Connexion. Any unauthorized items in records for Music should be checked.
In OCLC Connexion, to search for an authority you can either use SHIFT-F2 or by clicking on 
.
Where you search for an authority record, you will the image like this below:
Here are the equilvalent MARC codes and the equilavalent Authority Names:
MARC |
Authority Names |
|---|---|
240, 440, 490 |
Titles |
110, 610, 651, 710 |
Corporate Names |
100, 700 |
Personal Names |
650 |
Subjects |