Placement
- Med Service
- contained in Doctor to the Starscollection
- contained in Med Shipcollection
- contained in Murray Leinster Collection: Volume 1omnibus
- contained in The 1634: The Baltic War Diskomnibus
- contained in The 1635: The Eastern Front Diskomnibus
- contained in The Murray Leinster Megapackomnibus
- contained in The Second Science Fiction Megapack: 25 Modern and Classic Tales by Mastersanthology