Citations Summary
Total Number of Citations: 7
Number of Titles Cited: 7
Number of Citation Sources: 4
Battle For The Stars (Torquil, 1961)
Crashing Suns (Ace, 1965)
The Horror on the Asteroid and Other Tales of Planetary Horror (Philip Allan, 1936)
What's It Like Out There? and Other Stories (Ace, 1974)
The Star Kings (Frederick Fell, 1949)
The Haunted Stars (Torquil, 1960)
City at World's End (Frederick Fell, 1951)