The dimensions and other physical characteristics should match. If physical description is different, the record is NOT a match. For example, a musical score and a sound recording are different records, even if they have the same title. Publishers should match. If the title is the same and the publishers are different, the record is NOT a match.
Notes often highlight distinctions among similar items.
Check notes for descriptions of distinctive characteristics of an item to help determine a match. Library of Congress cataloging. Many libraries prefer records created by the Library of Congress. Enter authorization number 3. Enter password 4.