Note: The Moon Hoax; or, A Discovery That the Moon Has a Vast Population of Human Beings is a chapbook title at ISFDB (see), with 1859 and 1976 editions that contain Locke's "Great Astronomical Discoveries" as short fiction, and other contents as non-fiction essays. Following Jules Verne's novel in the 1876 All Around the Moon (1st ed. of the Roth translation), Locke's moon story is published under the "Great Astronomical Discoveries" heading (p433), following a leaf that displays the full Moon Hoax title as "by Richard Adams Locke" (p431). The Contents listing (p6) is "Appendix:", next line "The Moon Hoax, by R. Adams Locke, 431".