Zeigfreid, Karl
Alphabetical Checklist
- Android (London: John Spencer and Co/Badger Books, 1962) by R L Fanthorpe
- Atomic Nemesis (London: John Spencer and Co/Badger Books, 1962) by R L Fanthorpe
- Barrier 346 (London: John Spencer and Co/Badger Books, 1965) by R L Fanthorpe
- Beyond the Galaxy (London: John Spencer and Co, 1953) by Tom W Wade, as by Karl Zeigfried
- Chaos in Arcturus (London: John Spencer and Co, 1953) by Tom W Wade, as by Karl Zeigfried
- Chariot into Time (London: John Spencer and Co, 1953) by Tom W Wade, as by Karl Zeigfried
- Dark Centauri (London: John Spencer and Co, 1954) by John S Glasby, as by Karl Zeigfried
- Escape to Infinity (London: John Spencer and Co/Badger Books, 1963) by R L Fanthorpe
- The Girl from Tomorrow (London: John Spencer and Co/Badger Books, 1965) by R L Fanthorpe
- Gods of Darkness (London: John Spencer and Co/Badger Books, 1962) by R L Fanthorpe
- No Way Back (London: John Spencer and Co/Badger Books, 1964) by R L Fanthorpe
- Projection Infinity (London: John Spencer and Co/Badger Books, 1964) by R L Fanthorpe
- Radar Alert (London: John Spencer and Co/Badger Books, 1963) by R L Fanthorpe
- The Uranium Seekers (London: John Spencer and Co, 1953) by John S Glasby, as by Karl Zeigfried
- Walk through Tomorrow (London: John Spencer and Co/Badger Books, 1962) by R L Fanthorpe
- World of the Future (New York: Arcadia House, 1964)
- World of Tomorrow (London: John Spencer and Co/Badger Books, 1963) by R L Fanthorpe
- The World that Never Was (London: John Spencer and Co/Badger Books, 1963) by R L Fanthorpe
- Zero Minus X (London: John Spencer and Co/Badger Books, 1962) by R L Fanthorpe