Credits: Associate producer, Edward J. White; director, Frank McDonald; screenplay, Gerald Geraghty; music director, Morton Scott; orchestral arrangements, Dale Butts; photographer, William Bradford; film editor, Tony Martinelli. Appl. author: Republic Productions, Inc. © Republic Pictures Corp.; 19Feb46; LP319. ALONG THE OREGON TRAIL. Republic Pictures Corp., c1947. 64 min., sd., color, 35mm. Credits: Associate producer, Melville Tucker; director, R. G. Springsteen; original screenplay, Earle Snell; music director, Mort Glickman; film editor, Arthur Roberts. Cast: Monte Hale, Adrian Booth, Foy Willing, the Riders of the Purple Sage. Appl. author: Republic Productions. © Republic Pictures Corp.; 2Sep47; LP1219. ALONG THE RAINBOW TRAIL. Twentieth Century-Fox Film Corp., c1946. 1 reel, sd., color, 35mm. (Lowell Thomas' Movietone Adventures) Credits: Producer, Edmund Reek; music score, L. DeFrancesco; photographer, Jack Kuhne; film editor, Russ Sheilds. Technicolor. © Twentieth Century-Fox Film Corp.; 15Feb46; MP1091. ALONG THE RIO GRANDE. RKO Radio Pictures, Inc., c1941. 64 min., sd. Credits: Producer, Bert Gilroy; director, Edward Killy; story, Stuart Anthony; screenplay, Arthur V. Jones, Morton Grant; music, Paul Sawtelle; editor, Frederic Knudtson. © RKO Radio Pictures, Inc.; 7Feb41; LP10336. ALONG THE SUNDOWN TRAIL. Producers Releasing Corp., c1943. 6 reels, sd. Credits: Producer, Sigmund Neufeld; director, Peter Stewart; original screenplay, Arthur St. Claire; music, Johnny Lange, Lew Porter; film editor, Holbrook N. Todd. © Producers Releasing Corp.; 1Feb43; LP11822. ALONG THE TEXAS RANGE. Movietone. Distributed by Twentieth Century-Fox Film Corp., c1942. 1 reel, sd. Credits: Narration, Hugh James; music score, L. de Francesco; film editor, Russ Sheilds. © Twentieth Century-Fox Film Corp.; 9Oct42; MP15400. ALOUETTE. Soundies Distributing Corp. of America, Inc., c1941. 1 reel, sd. © Soundies Distributing Corp, of America, Inc.; 18Aug41; MP11460. THE ALPHABET SONG. Soundies Distributing Corp. of America, Inc., c1942. 1 reel, sd. © Soundies Distributing Corp. of America, Inc.; 5Oct42; MP13080. ALTER EGO. SEE Bewitched. ALTERNATING CURRENT PRINCIPLES. De Forest's Training, Inc., c1948. 100 ft., b&w, 16mm. (Radio Electronics, reel lesson 6) Summary: Explains the principles of alternating current—how alternating current is developed, what its operating characteristics are, and how the a-c transformer works. © De Forest's Training, Inc,; 1Oct48; MP3899. ALUMINUM. Eastman Kodak Co., c1941. 1 reel. Appl. author: Marjorie F. Ellis. © Eastman Kodak Co.; 11Sep41; MP11989. ALVINO REY AND HIS ORCHESTRA. Universal Pictures Co., Inc., c1948. 15 min., sd., b&w, 35mm. Summary: A musical short.