| THE GREAT RADIUM MYSTERY. 1. The Mystic Stone. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 10. Creeping Flames. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 11. Perils of Doom. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 12. Shackled. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 13. The Scalding Pit. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 14. Hemmed In. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 15. The Flaming Arrow. |
1920 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 16. Over the Cataract. |
1920 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 17. The Wheels of Death. |
1920 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 18. Liquid Flames. |
1920 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 2. The Death Trap. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 3. The Fatal Ride. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 4. The Swing for Life. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 5. The Torture Chamber. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 6. The Tunnel of Doom. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 7. A Flash in the Dark. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 8. In the Clutches of the Mad Man. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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| THE GREAT RADIUM MYSTERY. 9. The Roaring Volcano. |
1919 |
Universal Film Mfg. Co. Inc. |
2 reels |
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