It can be either a main heading or a subdivision of a main heading. Searchable as a phrase. The standardized title used as a subject heading for a work that has appeared under various titles or in various versions. Uniform titles include items such as legislative acts and treaties and names of newspapers periodicals. Searchable as a phrase.
Examples illustrate searchable data elements.
The accession number provides the following information. The next three letters denote the file. The first two digits denote the year the record was entered into the file. The last six digits are the sequence number. Sequence numbers revert to 000001 at the beginning of each new year.