- Series: Bud Gregory Series Record # 21733
- Bud Gregory
- The Gregory Circle (1947) [SF] by Murray Leinster [only as by William Fitzgerald]
- The Nameless Something (1947) [SF] by Murray Leinster [only as by William Fitzgerald]
- The Deadly Dust (1947) [SF] by Murray Leinster [only as by William Fitzgerald]
- The Seven Temporary Moons (1948) [SF] by Murray Leinster [only as by William Fitzgerald]
-
Out of This World (1958)
by
Murray Leinster
also appeared as:
- Translation: Fuera de este mundo [Spanish] (1962)
- Translation: L'uomo che vedeva gli atomi [Italian] (1979)
- Translation: Uma Coisa do Outro Mundo [Portuguese] (2001)
- Serializations:
- Translation: L'uomo Che Vedeva Gli Atomi (Complete Novel) [Italian] (1959)