Keith J. and Cathy Hayes
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Filmography in the catalog
Credited on 1 film (1950) — matched by name in the Creator or Credits field.
| Year ▲ | Title | Creator | Length | Format | Color | Sound |
|---|---|---|---|---|---|---|
| 1950 | Vocalization and Speech in Chimpanzees | Keith J. and Cathy Hayes | 12 | 16mm | B&W |