certron
Filmography in the catalog
Credited on 2 films — matched by name in the Creator or Credits field.
| Year ▼ | Title | Creator | Length | Format | Color | Sound |
|---|---|---|---|---|---|---|
| Effective Writing: Getting Ideas To Write About | certron | 16mm | sound | |||
| Effective Writing: Holding Them Spellbound (2nd Ed) | certron | 16mm | sound |