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Although the onscreen credits include a 1944 copyright statement, the film is not included in copyright records. No other contemporary information about a possible 1944 release has been found. The Exhibitor and Variety reviewed the film as White Stallion in 1947. The The Exhibitor review billed the picture as Ken Maynard's "comeback" film. Maynard, who was still active in films when Harmony Trail was produced, had been absent from the screen for two years when the film was in distribution in 1947. Modern sources credit Frances Kavanaugh, not Frank Simpson, with the screenplay, and credit Simpson with the screen story.