Titles by Ron Goulart marked with tag: mystery
- 2005 - Groucho Marx, King of the Jungle
- 2002 - Groucho Marx, Secret Agent
- 2001 - Groucho Marx and the Broadway Murders
- 1999 - Elementary, My Dear Groucho
- 1999 - Groucho Marx, Private Eye
- 1998 - Groucho Marx, Master Detective