who directed the film which Oscar-winning script was written by Howard Estabrook, who's associate film producer helping adapt the screenplay, although he was uncredited for the latter?
Cimarron (1931 film): Cimarron is a 1931 Pre-Code Western film directed by Wesley Ruggles, starring Richard Dix and Irene Dunne, and featuring Estelle Taylor and Roscoe Ates. Cimarron (1931 film):  The Oscar-winning script was written by Howard Estabrook based on the Edna Ferber novel "Cimarron".
i don't know