Placement
- contained in Angels and Spaceshipscollection
- contained in From These Ashes: The Complete Short SF of Fredric Browncollection
- contained in Machines That Think: The Best Science Fiction Stories About Robots and Computersanthology
- contained in Science Fiction A to Zanthology
- contained in Space Operaanthology
- contained in The 1634: The Baltic War Diskomnibus
- contained in The 1635: The Eastern Front Diskomnibus
- contained in The Best of Fredric Browncollection
- contained in The Best of Jim Baen's Universe 2006 Diskomnibus
- contained in The David Drake When the Tide Rises Diskomnibus
- contained in The Fredric Brown Megapack: 33 Classic Tales of Science Fiction and Fantasycollection
- contained in The Great SF Stories #16 (1954)anthology
- contained in The Metal Smileanthology
- contained in The World Turned Upside Downanthology
- contained in Thinking Machinesanthology