Placement
- contained in Best S.F. Stories from New Worldsanthology
- contained in Explorers: SF Adventures to Far Horizonsanthology
- contained in Exploring the Horizons: Explorers, and the Furthest Horizonomnibus
- contained in Power & Lightcollection
- contained in The Arbor House Treasury of Modern Science Fictionanthology
- contained in The Best of Roger Zelaznycollection
- contained in The Doors of His Face, the Lamps of His Mouth and Other Storiescollection
- contained in The Magic: (October 1961-October 1967) Ten Talescollection
- contained in To the Starsanthology
- contained in Worldmakers: SF Adventures in Terraforminganthology
- contained in World's Best Science Fiction: 1967anthology