Placement
- contained in Needle in a Timestackcollection
- contained in Needle in a Timestack and Other Storiescollection
- contained in Ringing the Changescollection
- contained in Sundance and Other Science Fiction Storiescollection
- contained in The Great SF Stories #25 (1963)anthology
- contained in The Robert Silverberg Science Fiction Megapackcollection
- contained in To the Dark Star: 1962-69collection
- contained in Windows Into Tomorrowanthology
- contained in World of a Thousand Colorscollection
- contained in Yesterday's Tomorrowsanthology