Public Domain Movies released in 1929

The General Line aka Old and New (translit. Staroye i novoye) is a 1929 Soviet film directed by Sergei Eisenstein.

King Louis XIII of France is thrilled to have born to him a son - an heir to the throne. But when the queen delivers a twin, Cardinal Richelieu sees the second son as a potential for revolution, and has him sent off to Spain to be raised in secret to ensure a peaceful future for France. - IMDB Description

A busload of passengers gets stranded in a snowstorm and take refuge in an abandoned church, where they run into a mysterious man who may be on the run from the law.

The last silent film of Sergei Esenstein

From IMDb: Tough mobster Mahlon Keane practically runs crime in New York City. He meets broke ex-society girl Rhoda Philbrooke at a society fundraiser and helps her cheat her way to some winnings in poker. Rhoda needs the money to help nurse broken alcoholic concert violinist Tony Vaughan back to health.

From the Wikipedia entry for "The Dance of Life": "The Dance of Life (1929) is the first of three film adaptations of the popular Broadway play Burlesque, the others being Swing High, Swing Low (1937) and When My Baby Smiles at Me (1948). The Dance of Life was made with Technicolor sequences, directed by John Cromwell and A.

From the Wikipedia entry for "Glorifying the American Girl": "Glorifying the American Girl is a 1929 musical comedy film produced by Florenz Ziegfeld that highlights Ziegfeld Follies performers. The last third of the film (which was filmed in early Technicolor) is basically a Follies production, with cameo appearances by Rudy Vallee, Helen Morgan and Eddie Cantor. The script for the film was written by J.P. McEvoy and Millard Webb and directed by John W. Harkrider and Millard Webb. The songs were written by Irving Berlin, Walter Donaldson, Rudolf Friml, James E.