| Description | Notes | |
|---|---|---|
| EN | Arabic Subject heading scheme | — |
| FR | Système de classification arabe par thème | — |
| ES | Sistema Árabe de clasificación de materias | — |
List 27 · Subject scheme identifier
81 — Arabic Subject heading scheme
<?xml version="1.0" encoding="UTF-8"?>
<Product xmlns="http://ns.editeur.org/onix/3.0/reference">
<DescriptiveDetail>
<Audience>
<AudienceCodeType>81</AudienceCodeType>
</Audience>
</DescriptiveDetail>
</Product>- Introduced in Issue 13