Placement
- contained in First Contacts: The Essential Murray Leinstercollection
- contained in Looking Forwardanthology
- contained in Sidewise in Timecollection
- contained in The Best of Murray Leinster (US)collection
- contained in The Golden Years of Science Fiction: Fourth Seriesanthology
- contained in The Great Science Fiction Stories Volume 7, 1945anthology
- contained in The Outer Reachesanthology
- contained in The Time of Infinityanthology