Placement
- contained in Audiobook Collectionomnibus
- contained in Dimension Thirteencollection
- contained in Next Stop the Starscollection
- contained in Phases of the Mooncollection
- contained in The Best of Robert Silverbergcollection
- contained in The Best of Robert Silverberg: Stories of Six Decadescollection
- contained in The Road to Nightfallcollection
- contained in The Seed of Earth / Next Stop the Starsomnibus
- contained in To Be Continuedcollection