Placement
- contained in Before Adam & Other Storiescollection
- contained in Century of Thrillersanthology
- contained in Curious Fragments: Jack London's Tales of Fantasy Fictioncollection
- contained in Selected Science Fiction & Fantasy Storiescollection
- contained in The Night-Borncollection
- contained in The Science Fiction of Jack Londoncollection
- contained in The Science Fiction Stories of Jack Londoncollection
- contained in The Science Fiction Stories: Volume 2collection