Clarence E. Mulford
Scénario:
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1. Au coeur de l'Arizona (1938), film...(original story)
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2. L'invincible Cassidy (1938), film...(story "Me an' Shorty")
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3. La loi de la Pampa (1939), film...(based on characters created by)
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4. L'aventure en Eldorado (1941), film...(based on characters created by)
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5. Le canyon perdu (1942), film...(based on characters created by)
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6. False Colors (1943), film...(based on characters created by)
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7. Zone mortelle (1943), film...(based on characters created by)
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8. Terreur dans la vallée (1943), film...(characters created by)
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9. Hoppy Serves a Writ (1943), film...(story)
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10. Danger Trail (1951), film...(characters) (archive footage)