Placement
- contained in ... And Some Were Humancollection
- contained in Early del Reycollection
- contained in First Flightanthology
- contained in First Voyagesanthology
- contained in Isaac Asimov Presents the Best Science Fiction Firstsanthology
- contained in Staying in Place: An Anthology of Stories to Pass the Timeanthology
- contained in The Early del Rey: Volume 1collection
- contained in The SFWA Grand Masters, Volume 3anthology
- contained in War & Spacecollection