Placement
- contained in Audiobook Collectionomnibus
- contained in First-Person Singularitiescollection
- contained in Galaxy: Thirty Years of Innovative Science Fictionanthology
- contained in Moonferns and Starsongscollection
- contained in Parsecs and Parablescollection
- contained in Ringing the Changescollection
- contained in Sunrise on Mercurycollection
- contained in The New Tomorrowsanthology
- contained in To the Dark Star: 1962-69collection
- contained in World of a Thousand Colorscollection
- contained in World's Best Science Fiction: 1969anthology