> For the complete documentation index, see [llms.txt](https://docs.wellcomecollection.org/visual-and-material-culture-cataloguing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wellcomecollection.org/visual-and-material-culture-cataloguing/metadata-framework/metadata-crosswalk.md).

# Metadata Crosswalk

<table data-header-hidden><thead><tr><th></th><th width="208.51849365234375"></th><th width="238"></th><th></th></tr></thead><tbody><tr><td><strong>Metadata Framework Elements</strong></td><td><strong>MARC / Sierra fields*</strong></td><td><strong>CALM fields</strong></td><td><strong>SPECTRUM</strong></td></tr><tr><td><strong>Identification Number:</strong><br><strong>unique ID</strong></td><td>001 Reference No<br>524 Citation<br>Item shelfmark</td><td>RefNo<br>PublicRef</td><td>Object Number</td></tr><tr><td><strong>Identification Number:</strong><br><strong>additional numbers</strong></td><td><p>541 |e Accession No</p><p>903 Other Identifier - Public<br>904 Other Identifier - Private </p></td><td>Previous_Numbers<br>AccNo<br>Custodial_History<br>Other_Number</td><td>Other Number<br>related object number</td></tr><tr><td><strong>Number of Objects</strong></td><td>300 a Extent</td><td>Extent</td><td>Number of Objects</td></tr><tr><td><strong>Object Type</strong></td><td>007 Spec Mat<br>300 a Extent<br>655 Genre</td><td>Extent<br>Object_Name<br>MaterialType<br>PhysicalDescr                       </td><td>Object Name</td></tr><tr><td><strong>Creator</strong></td><td>100 a b c d e j q<br>110<br>111<br>700<br>710<br>711<br>500<br>508<br>264 b</td><td>Creator_Name<br>Admin_History<br>Credit_Line</td><td>Artist, maker or manufacturer<br>Associated people, person, organisation</td></tr><tr><td><strong>Creator: Biographical note</strong></td><td>545 Biographical note</td><td>Admin_History</td><td></td></tr><tr><td><strong>Title/Brief Description</strong></td><td>245 Title (Preferred title: Given, Inscribed, Descriptive)<br>246 Alternative title<br>246 16 Inscribed Title<br>246 1_ Previous title</td><td>Title<br>Alternative_Title<br>Description<br></td><td>Brief Description or Image</td></tr><tr><td><strong>Title: source of Title</strong></td><td>500</td><td>Title_Type                         Notes</td><td></td></tr><tr><td><strong>Inscription / Marks</strong></td><td>514                           246 16 Inscribed Title</td><td><p>Title</p><p>Inscription                Inscription_Description</p></td><td>Inscription content<br>inscription description</td></tr><tr><td><strong>Date of creation</strong></td><td>008<br>264 c</td><td>Date</td><td>Object production date<br>Brief description</td></tr><tr><td><strong>Place of creation</strong></td><td>Leader: COUNTRY<br>008<br>264</td><td>Publication_Production</td><td>Place of production</td></tr><tr><td><strong>Dimensions</strong></td><td>300 c</td><td>PhysicalDescr     Dimensions</td><td>Dimension: measured part, value, date, unit</td></tr><tr><td><strong>Technique &#x26; Materials</strong></td><td>007 Spec Mat<br>007 PriSupM<br>300 b<br>655 Genre</td><td>PhysicalDescr<br>Object_Name</td><td>Material, Physical description</td></tr><tr><td><strong>Colour</strong></td><td>007 Colour<br>264 b</td><td>Description<br>PhysicalDescr</td><td>Colour</td></tr><tr><td><strong>Edition</strong></td><td>250</td><td>Description</td><td>Edition Number</td></tr><tr><td><strong>State</strong></td><td>251</td><td>Description</td><td></td></tr><tr><td><strong>Language</strong></td><td>Leader: LANG<br>008 Language<br>041<br>546 Language note</td><td>Language<br>Description</td><td></td></tr><tr><td><strong>Subjects</strong></td><td>600 Personal name<br>610 Corporate name<br>648 Chronological<br>650 Topical<br>651 Geographic</td><td>Subject</td><td>Content concept</td></tr><tr><td><strong>Wellcome Legacy Subject Classification</strong></td><td></td><td>Private_Notes</td><td></td></tr><tr><td><strong>Provenence</strong></td><td>541 Acquisition note<br>561 Ownership; custodial history<br>Item record: <br>Order record: non public data</td><td>Custodial_History<br>Object_History_Note Previous_Numbers  Previous_Number_Type</td><td>Object history note<br>Associated: person, people, activity, event, organisation, place, type<br>Source: donor, vendor</td></tr><tr><td><strong>Detailed Visual Description</strong></td><td>520<br>500</td><td>Description</td><td>Object description information:<br>Age, colour, content: activity, date, concept, description, position,<br>organisation, people, place, person, event name, style</td></tr><tr><td><strong>Citation</strong></td><td>524</td><td>Citation</td><td>Reference</td></tr><tr><td><strong>Sources of Information</strong></td><td>510<br>581</td><td>PubIn_Note</td><td>Reference</td></tr><tr><td><strong>Exhibition Information</strong></td><td>585</td><td>Exhibition_Note</td><td></td></tr><tr><td><strong>Related Material</strong></td><td><p>535<br>580</p><p>773</p><p>774</p><p>787<br>856</p></td><td>RelatedMaterial<br>Originals<br>Copies<br>Description</td><td>Related object number, association information</td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td><strong>Condition</strong></td><td>591<br>item: Display note<br>item: PHYS COND.</td><td>Condition<br></td><td></td></tr><tr><td><strong>Copyright</strong></td><td>540<br>542</td><td>Copyright</td><td></td></tr><tr><td><strong>Location</strong></td><td>Leader: LOCATION<br>item: LOCATION<br>item: IMESSAGE<br>item: BARCODE<br>item: FORMER LOCATION<br>item: Current location</td><td>CountryCode<br>RepositoryCode<br>StorageSite<br>Location<br>BoxNumber</td><td>Current Location (Location reference name/number)</td></tr><tr><td><strong>Cataloguing History</strong></td><td>Cat Date</td><td>DescriptionDate</td><td></td></tr><tr><td><strong>Current Owner</strong></td><td></td><td></td><td>Current Owner (if owned a record of where it came from)</td></tr><tr><td><strong>Recorder</strong></td><td></td><td></td><td>Recorder</td></tr><tr><td><strong>Recording Date</strong></td><td></td><td></td><td>Recording Date</td></tr></tbody></table>

The data/fields listed above relates to new (post 2021), not legacy data.

**\***&#x46;or MARC data in Sierra this is not a comprehensive list of the fields in use.

A **full crosswalk** including legacy MARC data, RiC, CCO, WC Inventory data, WC Mimsy, wellcomecollection.org/collections can be found [**here**](https://wellcomecloud.sharepoint.com/:x:/r/sites/wc2/cr/ci/Cataloging/Cataloguing%20research/Visual%20and%20Material%20Culture%20\(Sara,%20Stephanie,%20Vicky\)/MetadataCrosswalk_2026.xlsx?d=wd753f7ae67284100b311614170374ab7\&csf=1\&web=1\&e=QxuvJi)**.**

For Museum Accreditation cataloguing requirements see the [**Spectrum**](https://collectionstrust.org.uk/resource/cataloguing-suggested-procedure) procedure.