Placement
- contained in From These Ashes: The Complete Short SF of Fredric Browncollection
- contained in Paradox Lost and Twelve Other Great Science Fiction Storiescollection
- contained in Space on My Handscollection
- contained in The Best Short Stories of Fredric Browncollection
- contained in The Second Fredric Brown Megapack: 27 Classic Science Fiction Storiescollection