Accession number (library science)

Short description: Object identifiers used in galleries, libraries, archives, and museums

Every object in galleries has a label where you'll find that object's accession number.

In libraries, art galleries, museums and archives, an accession number is a unique identifier assigned to, and achieving initial control of, each acquisition. Assignment of accession numbers typically occurs at the point of accessioning or cataloging. The term is something of a misnomer, because the form accession numbers take is often alpha-numeric.[1]

If an item is removed from the collection, its number is usually not reused for new items.

In libraries, this numbering system is usually in addition to the library classification number (or alphanumeric code) and to the ISBN or International Standard Book Number assigned by publishers.

Accession numbers are also used in botany, by institutions with living collections like arboreta, botanic gardens, etc., to identify plants or groups of plants that are of the same taxon, are of the same propagule type (or treatment), were received from the same source, were received at the same time.[2] Herbaria and other botanic institutions collecting non living material also use accession numbers.[3]

An accession number may include the year acquired, sometimes the full date (as at the British Museum), and a sequential number separated by a period.[1] In addition, departments or art classifications within the collection or museum may reserve sections of numbers. For example, objects identified by the numbers 11.000 through 11.999 may indicate objects obtained by the museum in 1911; the first 300 numbers might be used to indicate American art, while the next fifty (11.301–350) might be used for African art. In some cases, they also include letters and other punctuation, such as commas, hyphens or slashes.[4]

## See also

* Universally unique identifier
* Library of Congress Control Number

## References

1. ↑ 1.0 1.1 Witt, B.S., Whittfield, J.C., Stepansky, A.J. (2012) Pastperfect software for museum collections: Version 5 users guide. Retrieved from http://museumsoftware.com/v5userguide.html
2. ↑ Jebb, Matthew (1998) Cataloguing and Record keeping for Plant Collections Retrieved from http://www.botanicgardens.ie/educ/accnosho.pdf
3. ↑ Croft, Jim. "The herbarium specimen" (in en). https://www.anbg.gov.au/cpbr/herbarium/specimen/about_accession_identifier.html.
4. ↑ Reitz, J.M. (2004) Dictionary for library and information science. Libraries Unlimited. p. 6

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