Placement
- contained in Beyond Human Kenanthology
- contained in Invasionsanthology
- contained in The Astounding-Analog Reader, Volume 2anthology
- contained in The Great SF Stories #14 (1952)anthology
- contained in The Mammoth Book of Science Fictionanthology
- contained in The Science Fiction of Mark Cliftoncollection
- contained in What Have I Done?: The Stories of Mark Cliftoncollection