On the topic of production codes, there's something else in THE CROWD that Hollywood would never again show us in movies of the 1930s through the 1950s.
THE CROWD influenced Todd Haynes while making his new film, WONDERSTRUCK. It takes us to different time periods. It's in color and black and white. Here's a trailer.
I will be seeing WONDERSTRUCK. Did you see FAR FROM HEAVEN? Todd Haynes got an Oscar nomination for Best Original Screenplay.