Sharp, Robert George
Chronological Checklist
Series – Old Growler
- Reconnoitre Krellig II (London: Hamilton and Co/Authentic Science Fiction, 1951) as by Jon J Deegan
- Old Growler: Spaceship No 2213 (London: Hamilton and Co/Science Fiction Fortnightly, 1951) as by Jon J Deegan
- Old Growler and Orbis (London: Hamilton and Co/Science Fiction Monthly, 1951) as by Jon J Deegan
- Planet of Power (London: Hamilton and Co/Authentic Science Fiction, 1951) as by Jon J Deegan
- The Singing Spheres (London: Hamilton and Co/Authentic Science Fiction, 1952) as by Jon J Deegan
- Underworld of Zello (London: Hamilton and Co/Panther, 1952) as by Jon J Deegan
- Amateurs in Alchemy (London: Panther, 1952) as by Jon J Deegan
- Antro, the Life-Giver (London: Panther, 1953) as by Jon J Deegan
- The Great Ones (London: Panther, 1953) as by Jon J Deegan