Placement
- contained in Anthology of Sci-Fi v25: The Pulp Writers: Murray Leinstercollection
- contained in Murray Leinster Collection: Volume 1omnibus
- contained in Murray Leinster Resurrectedcollection
- contained in Short Science Fiction Collection 42anthology
- contained in Short Science Fiction Collection 47anthology
- contained in The Murray Leinster Megapackomnibus