Hitler, Beast of Berlin

Hitler, Beast of Berlin 1939 was one of the most popular hiss and boo films of the World War II era, based on the novel Goose Step by Shepard Traube. The film was the first production of Producers Releasing Corporation. It was recut and released as Beasts of Berlin the same year, having been banned in New York as too inflammatory at the time. It was also reissued in the early 1940s as Hells Devils.

Source: Wikipedia