Irving Birnbaum The Mole People The Great Alaskan Mystery The Scarlet Horseman The Royal Mounted Rides Again Lost City of the Jungle Secret Agent X-9 The Master Key Jungle Queen Drifting Souls Exposure Red Haired Alibi Outside the Law Gang Busters Don Winslow of the Coast Guard Daring Daughters The Green Hornet The Phantom Creeps The World's Most Beautiful Girls