Code subfields are optional
Book:
| 336 | ‡a text ‡b txt ‡2 rdacontent | ||
| 337 | ‡a unmediated ‡b n ‡2 rdamedia | ||
| 338 | ‡a volume ‡b nc ‡2 rdacarrier |
Sound Recording (CD): content could be music, spoken word, or sounds
| 336 | ‡a spoken word ‡b spw ‡2 rdacontent | ||
| 336 | ‡a performed music ‡b prm ‡2 rdacontent | ||
| 336 | ‡a sounds ‡b snd ‡2 rdacontent | ||
| 337 | ‡a audio ‡b s ‡2 rdamedia | ||
| 338 | ‡a audio disc ‡b sd ‡2 rdacarrier |
Video - DVD
| 336 | ‡a two dimensional moving image ‡b ti ‡2 rdacontent | ||
| 337 | ‡a video ‡b v ‡2 rdamedia | ||
| 338 | ‡a videodisc ‡b vd ‡2 rdacarrier |
Video - Videocassette
| 336 | ‡a two dimensional moving image ‡b ti ‡2 rdacontent | ||
| 337 | ‡a video ‡b v ‡2 rdamedia | ||
| 338 | ‡a videocassette ‡b vf ‡2 rdacarrier |
Non-Projected Graphic (picture, etc.). Two-dimensional carrier could be a sheet or a card. Caution: "card" is not an extent term for printed material.
| 336 | ‡a still image ‡b sti ‡2 rdacontent | ||
| 337 | ‡a unmediated ‡b n ‡2 rdamedia | ||
| 338 | ‡a sheet ‡b nb ‡2 rdacarrier | ||
| 338 | ‡a card ‡b no ‡2 rdacarrier |
CD-ROM (direct access digital text)
| 336 | ‡a text ‡b txt ‡2 rdacontent | ||
| 337 | ‡a computer ‡b c ‡2 rdamedia | ||
| 338 | ‡a computer disc ‡b cd ‡2 rdacarrier |
CD-ROM (direct access digital gallery)
| 336 | ‡a still image ‡b sti ‡2 rdacontent | ||
| 337 | ‡a computer ‡b c ‡2 rdamedia | ||
| 338 | ‡a computer disc ‡b cd ‡2 rdacarrier |
Online resource (e-book)
| 336 | ‡a text ‡b txt ‡2 rdacontent | ||
| 337 | ‡a computer ‡b c ‡2 rdamedia | ||
| 338 | ‡a online resource ‡b cr ‡2 rdacarrier |
Online resource (iTunes site)
| 336 | ‡a performed music ‡b prm ‡2 rdacontent | ||
| 336 | ‡a still image ‡b sti ‡2 rdacontent | ||
| 336 | ‡a text ‡b txt ‡2 rdacontent | ||
| 337 | ‡a computer ‡b c ‡2 rdamedia | ||
| 337 | ‡a audio ‡b s ‡2 rdamedia | ||
| 338 | ‡a online resource ‡b cr ‡2 rdacarrier |
Microfilm (of a printed text)
| 336 | ‡a text ‡b txt ‡2 rdacontent | ||
| 337 | ‡a microform ‡b h ‡2 rdamedia | ||
| 338 | ‡a microfilm reel ‡b hd ‡2 rdacarrier |
Microfiche (of a printed text)
| 336 | ‡a text ‡b txt ‡2 rdacontent | ||
| 337 | ‡a microform ‡b h ‡2 rdamedia | ||
| 338 | ‡a microfiche ‡b he ‡2 rdacarrier |
Three-dimensional artifact (a bust of Abraham Lincoln)
| 336 | ‡a three dimensional form ‡b tdf ‡2 rdacontent | ||
| 337 | ‡a unmediated ‡b n ‡2 rdamedia | ||
| 338 | ‡a object ‡b nz ‡2 rdacarrier |