Placement
- contained in Fifty Short Science Fiction Talesanthology
- contained in Men and Machinesanthology
- contained in Nightmare Ageanthology
- contained in Robots: Past & Future: Short Storiesanthology
- contained in Robots Through the Agesanthology
- contained in Second Galaxy Reader of Science Fictionanthology
- contained in Shadow of Tomorrowanthology
- contained in The Arbor House Treasury of Science Fiction Masterpiecesanthology
- contained in The Great SF Stories #15 (1953)anthology
- contained in The Leiber Chronicles: Fifty Years of Fritz Leibercollection
- contained in The Robot Megapackanthology
- contained in The Second Fritz Leiber Megapackcollection
- contained in The SFWA Grand Masters, Volume 1anthology
- contained in Thinking Machinesanthology
- contained in We, Robotsanthology