Placement
- contained in Anthology of Sci-Fi v25: The Pulp Writers: Murray Leinstercollection
- contained in First Contacts: The Essential Murray Leinstercollection
- contained in Murray Leinster Resurrectedcollection
- contained in Short Science Fiction Collection 43anthology
- contained in Short Science Fiction Collection 49anthology
- contained in The Best of Murray Leinster (UK)collection
- contained in The Murray Leinster Megapackomnibus
- contained in Twists in Timecollection