Placement
- contained in Gothic Talescollection
- contained in The Best Horror Stories of Arthur Conan Doylecollection
- contained in The Best Science Fiction of Arthur Conan Doylecollection
- contained in The Captain of the 'Pole-Star': Weird and Imaginative Fictioncollection
- contained in The Conan Doyle Storiescollection
- contained in The Great Keinplatz Experiment and Other Tales of Twilight and the Unseencollection