Short subject films have a long history in American cinemas. These could be anywhere from 2 to 40 minutes long and were used as a "filler" in a picture show that would include a cartoon, a newsreel, possibly a serial and a short before launching into the feature film. Shorts could tackle any topic of interest: an unusual travelogue, a comedy, musical revues, sports, nature or popular vaudeville acts. With the advent of sound-on-film in the mid-to-late...