Placement
- contained in Decade: The 1950santhology
- contained in Fury / Mutant / The Best of Henry Kuttneromnibus
- contained in No Boundariescollection
- contained in Robotsanthology
- contained in The Best of Henry Kuttnercollection
- contained in The Best of Kuttner 2collection
- contained in The Metal Smileanthology
- contained in Two-Handed Enginecollection