Goulart, Ron
Chronological Checklist
Series – Groucho Marx
- Groucho Marx, Master Detective (New York: St Martin's Press/Dunne, 1998)
- Groucho Marx, Private Eyes (New York: St Martin's Press, 1999)
- Elementary, My Dear Groucho (New York: St Martin's Press, 1999)
- Groucho Marx and the Broadway Murders (New York: St Martin's Press, 2001)
- Groucho Marx, Secret Agent (New York: St Martin's Press, 2002)
- Groucho Marx, King of the Jungle (New York: St Martin's Griffin, 2005)