| Description | Notes | |
|---|---|---|
| EN | NAL subject heading | US National Agricultural Library subject heading |
| FR | Classification thématique NAL | Classification thématique de la National Agricultural Library (Etats-Unis) |
| ES | not translated | — |
List 27 · Subject scheme identifier
07 — NAL subject heading
<?xml version="1.0" encoding="UTF-8"?>
<Product xmlns="http://ns.editeur.org/onix/3.0/reference">
<DescriptiveDetail>
<Audience>
<AudienceCodeType>07</AudienceCodeType>
</Audience>
</DescriptiveDetail>
</Product>- Introduced in Issue 9