Subtitles for the 720p BluRay x264 release can be found on sites such as OpenSubtitles, Subscene, and Podnapisi.
Cecil B. DeMille’s 1939 Western epic " Union Pacific " chronicles the construction of the First Transcontinental Railroad, starring Barbara Stanwyck and Joel McCrea, and was the first winner of the Cannes Film Festival's Palme d'Or (awarded retrospectively) [https://www.imdb.com/title/tt0032080/]. The film features a high-definition restoration that highlights the grand-scale production, with expert commentary often included in home media releases, notes High Def Digest [https://bluray.highdefdigest.com/95224/unionpacific.html]. subtitle Union.Pacific.1939.720p.BluRay.x264.AA...