For descriptive cataloging, primarily refer to AACR2 and OCLC documentation for MARC21 bibliographic format.

The following table gives the holdings codes to use in field 049 of the bibliographic record on OCLC with the accompanying Voyager location codes and item type codes.

Cassettes (Non-musical)

1. Cataloger - Place in book-size container.
2. Write call number on label and place inside the container on front upper left side.
3. Apply date stamp on label and place inside the container on front upper right.
4. Apply barcode on front of container in upper left using 3M template.
5. Student worker - Apply spine label and label protector.
6. Apply ownership stamp on label and place on container.
7. Apply sticker to front under the barcode - "Do not desensitize".
8. Apply 3M detection device for audio cassettes.

DVDs

1. Cataloger - Place in book-size container if necessary.
2. Write call number on back of accompanying booklet or on a label to apply inside the container. Apply date stamp as well.
3. Apply the barcode label on the front of the container using the 3M template.
4. Student worker - Apply the ownership stamp on the container or on a label to affix to the container.
5. Apply the appropriate 3M detection device. A DVD with label on the top can have the same detection device as a CD.
6. Apply the spine label in the front upper left corner.

Videos

1. Cataloger - Write the call number on a label and affix inside the container or on back on the box. Do the same for the date stamp.
2. Apply barcode label on the front upper left using the 3M template.
3. Student worker - Apply a label to the front of the video under the barcode - "Do not desensitize".
4. Apply ownership stamp on the back of the box or on a label to affix to the container.
5. Apply the video 3M detection device.
6. Apply the spine label one inch from the bottom of the container.