Placement
- Magnus Ridolph
- contained in Blast Off: S.F. for Boysanthology
- contained in Gadget Storiescollection
- contained in Magic Highways: The Early Jack Vance, Volume Threecollection
- contained in The Brains of Earth / The Many Worlds of Magnus Ridolphomnibus
- contained in The Complete Magnus Ridolphcollection
- contained in The Many Worlds of Magnus Ridolphcollection
- contained in Worlds of Wonderanthology