 Lassie: Joyous Sound1972 · Writer | Writer |
 Lassie - The Road Back1970 · Writer | Writer |
 Lassie: Well of Love1970 · Writer | Writer |
 Lassie: The Adventures of Neeka1969 · Screenplay | Screenplay |
 Lassie and the Flight of the Cougar1967 · Writer | Writer |
 Lassie, the Voyager1966 · Writer | Writer |
 Look Homeward1965 · Screenplay | Screenplay |
 Lassie: Disappearance1964 · Writer | Writer |
 The Lone Ranger and the Lost City of Gold1958 · Writer | Writer |
