- Author: Bob Ritter Author Record # 27563
- Language: English
- Used These Alternate Names: Ritter
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Cover Art
- Galaxy #64 (1963)
- Galaxy Magazine, February 1961 (1961)
- If, January 1961 (1961)
- Summons from Baghdad (1958)
- The Third Force (1960)
- A Gentle Dying (1961)
- A Matter of Taste (1961)
- Always a Qurono (1962)
- Auto-da-Fe (1961)
- Autodafé [French] (1965)
- Call Him Nemesis (1961)
- Doorstep (1961)
- Farmer (1961)
- Farmer [2] (1961)
- Founding Father (1962)
- Founding Father [2] (1962)
- Founding Father [3] (1962)
- I distruttori (Part 3 of 3) (1963)
- In a Body (1960)
- Mindsnake (1960)
- Métamorphose [French] (1965)
- One Race Show (1962)
- One Race Show [2] (1962)
- Plague of Pythons (Part 1 of 2) (1962)
- Plague of Pythons (Part 1 of 2) [2] (1962)
- Plague of Pythons (Part 1 of 2) [3] (1962)
- Plague of Pythons (Part 2 of 2) (1962)
- Plague of Pythons (Part 2 of 2) [2] (1962)
- Plague of Pythons (Part 2 of 2) [3] (1962)
- Plague of Pythons (Part 2 of 2) [4] (1962)
- Roberta (1962)
- Sentry of the Sky (1961)
- Sentry of the Sky [2] (1961)
- Sentry of the Sky [3] (1961)
- Sentry of the Sky [4] (1961)
- Sentry of the Sky [5] (1961)
- Sodom and Gomorrah, Texas (1962)
- Star-Crossed Lover (1962)
- That's How It Goes (1961)
- The Stuff (1961)
- The Valley of the Masters (1961)
- Time Payment (1960)
- Vassi (1961)