Placement
- contained in Beyond the Safe Zonecollection
- contained in Final Stageanthology
- contained in Lost Worlds, Unknown Horizonsanthology
- contained in Not the Only Planet: Science Fiction Travel Storiesanthology
- contained in The Best of Robert Silverberg, Volume Twocollection
- contained in The Feast of St. Dionysuscollection
- contained in Time and Time Againcollection
- contained in Trips: 1972-73collection