THE MANTRAP, a photoplay in 6 reels by Republic Productions. © 6Apr43; L12009. Repix, Inc., a wholly owned subsidiary of National Telefilm Associates, Inc. (PWH); 5Oct70; R492729.

MARGIN FOR ERROR, a photoplay in 8 reels by Twentieth Century-Fox Film Corp. © 19Feb43; L12212. Twentieth Century-Fox Film Corp. (PWH); 17Dec70; R497058.

MARSHAL OF GUNSMOKE, a photoplay in 6 reels by Universal Pictures Co. © 17Nov43; L12381. Universal Pictures, a division of Universal City Studios, Inc. (PWH); 4Dec70; R496166.

MEATLESS TUESDAY, a motion picture in 1 reel by Universal Pictures Co. & Walter Lantz Productions. © 29Nov43; M14255. Universal Pictures, a division of Universal City Studios, Inc. & Walter Lantz Productions (PWH); 4Dec70; R496185.

MEXICAN SPITFIRE'S BLESSED EVENT, a photoplay in 6 reels by RKO Radio Pictures. © 11Jul43; L12245. RKO General, Inc. (PWH); 30Jul70; R488740.

MIRROR OF SUB-MARINE LIFE, a motion picture in 1 reel by Universal Pictures Co. © 22Apr43; M13540. Universal Pictures, a division of Universal City Studios, Inc. (PWH); 18Aug70; R489856.

MISSING KEY. See

THE SECRET CODE. Chap. no. 8.

MISTER BIG, a photoplay in 8 reels by Universal Pictures Co. © 28May43; L12075. Universal Pictures, a division of Universal City Studios, Inc. (PWH); 26Aug70; R490504.

MR. CHIMP GOES TO TOWN, a motion picture in 1 reel by Universal Pictures Co. © 15Apr43; M13491. Universal Pictures, a division of Universal City Studios, Inc. (PWH); 18Aug70; R489851.