- Series: Groucho Marx Series Record # 14241
- Series Tags: mystery (6), secondary source (1), Groucho Marx (1)
- Groucho Marx
- 1 Groucho Marx, Master Detective (1998) [non-genre] by Ron Goulart
- 2 Groucho Marx, Private Eye (1999) [non-genre] by Ron Goulart
- 3 Elementary, My Dear Groucho (1999) [non-genre] by Ron Goulart
- 4 Groucho Marx and the Broadway Murders (2001) [non-genre] by Ron Goulart
- 5 Groucho Marx, Secret Agent (2002) [non-genre] by Ron Goulart
- 6 Groucho Marx, King of the Jungle (2005) [non-genre] by Ron Goulart