What is the full shelf number (Call?

The full shelf number, or call number, is a unique identifier assigned to each item in a library's collection. It typically includes a combination of letters and numbers that indicate the subject classification, author's last name, and publication date, allowing for easy location on the shelves. For example, a call number might look like "HV 6250 .C66 2020," where "HV" indicates the subject area, followed by specific identifiers for the work. This system helps organize and categorize materials for efficient retrieval.