Citations Summary
Total Number of Citations: 36
Number of Titles Cited: 15
Number of Citation Sources: 17
Darker Than You Think (Fantasy Press, 1948)
The Legion of Space (Fantasy Press, 1947)
The Humanoids (Simon & Schuster , 1949)
The Legion of Time (Fantasy Press, 1952)
Seetee Ship (Gnome Press, 1951)
Terraforming Earth (Tor, 2001)
The Collected Stories of Jack Williamson, Volume One: The Metal Man and Others (Haffner Press, 1999)
Darker Than You Think (Fantasy Press, 1948)
The Humanoids (Simon & Schuster , 1949)
The Legion of Space (Fantasy Press, 1947)
Lifeburst (Ballantine Del Rey , 1984)
Seetee Ship (Gnome Press, 1951)
Terraforming Earth (Tor, 2001)
Trapped in Space (Doubleday, 1968)
The Humanoids (Simon & Schuster , 1949)
Darker Than You Think (Fantasy Press, 1948)
The Legion of Space (Fantasy Press, 1947)
The Legion of Space (Fantasy Press, 1947)
The Humanoids (Simon & Schuster , 1949)
The Legion of Time (Fantasy Press, 1952)
Lifeburst (Ballantine Del Rey , 1984)
Beachhead (Tor, 1992)
The Humanoids (Simon & Schuster , 1949)
The Legion of Space (Fantasy Press, 1947)
Terraforming Earth (Tor, 2001)
Darker Than You Think (Fantasy Press, 1948)
Darker Than You Think (Fantasy Press, 1948)
The Best of Jack Williamson (Ballantine Del Rey, 1978)
The Legion of Space (Fantasy Press, 1947)
The Humanoids (Simon & Schuster , 1949)
The Humanoids (Simon & Schuster , 1949)