Placement
- contained in Beyond the Safe Zonecollection
- contained in First-Person Singularitiescollection
- contained in Something Wild Is Loose: 1969-72collection
- contained in The Best of Robert Silverberg, Volume Twocollection
- contained in The Best Science Fiction of the Year #2anthology
- contained in The Reality Trip and Other Implausibilitiescollection
- contained in Unfamiliar Territorycollection