Home Video. References External links Lambchops essay by Ron Hutchinson at National Film Registry. Lambchops essay by Daniel Eagan in America's Film Legacy: The Authoritative Guide to the Landmark Movies in the National Film Registry, A&C Black, 2010 , pages 163-164 1929 films 1929 short films 1929 comedy films American black-and-white films Vitaphone short films Warner Bros. short films 1920s English-language films United States National Film Registry films American comedy films 1920s American films