| Prefix | Year | Serial No. | ||
| See the Library of Congress Control Number documentation for additional information regarding LCCNs. | ||||
| See the OCLC BIB Formats documentation for help entering LCCNs. | ||||
Example UPC Code
When entering UPC codes only use the main number set. Do not include the outside numbers (like the 0 and 3 in our example).
