Placement
- contained in Holt Anthology of Science Fictionanthology
- contained in Seventy-Five: The Diamond Anniversary of a Science Fiction Pioneercollection
- contained in The Arbor House Treasury of Science Fiction Masterpiecesanthology
- contained in The Best of Amazing Stories: The 1928 Anthologyanthology
- contained in The Best of Jack Williamsoncollection
- contained in The Early Williamsoncollection
- contained in The Metal Man and Otherscollection
- contained in The Pandora Effectcollection