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For videodiscs only, items are separated by language category: SEA for Echols materials, SA for Sasa materials, and CHI, JPN or KOR to distinguish Chinese, Japanese and Korean languages for Wason materials. In the case of materials covering all of East Asia or all of Asia, use EA and GA respectively:
| Location ; Location | Language/Area code ; code | Example |
|---|---|---|
| ech [sasa,was] av | GA | Videodisc 629 (GA) |
| ech,av | SEA | Videodisc 396 (SEA) |
| sasa,av | SA | Videodisc 922 (SA) |
| was,av | CHI | Videodisc 63 (CHI) |
| was,av | JPN | Videodisc 272 (JPN) |
| was,av | KOR | Videodisc 314 (KOR) |
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