All three elements of this area (country of distribution, release, broadcast; name of distributor, releaser, broadcaster; and date of distribution, release, broadcast) may be included in collection-level records if appropriate.  In most cases, however, owing to the diversity of the material incorporated in collections, only the date element will be recorded.

260 ## $c 1958.

260 ## $c 1980-1984.

260 ## $a United States : $b Universal Pictures, $c 1915-1963.

The term "bulk" may be used to indicate the main time period covered by the collection after the entire span of years of the works in the collection.

260 ## $c 1899-1917, bulk 1909-1915.

See also:

Appendix C4.  Descriptive cataloging

Appendix C:  Collection-Level Cataloging