Placement
- contained in Analog: Writers' Choiceanthology
- contained in Looking Forwardanthology
- contained in Robots and Changelingscollection
- contained in Robots & Magiccollection
- contained in The Best of Lester del Reycollection
- contained in The Golden Years of Science Fiction: Fourth Seriesanthology
- contained in The Great Science Fiction Stories Volume 7, 1945anthology