H. A. Phillips & J. J. Hammer (Phillips and Hammer authors).
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Filmography in the catalog
Credited on 1 film (1918) — matched by name in the Creator or Credits field.
| Year ▲ | Title | Creator | Length | Format | Color | Sound |
|---|---|---|---|---|---|---|
| 1918 | A TRIP THROUGH THE LASSEN VOLCANIC NATIONAL PARK. | H. A. Phillips & J. J. Hammer (Phillips and Hammer authors). |