Martin, Catherine Gimelli. «Sailing to the Moon: Francis Bacon, Francis Godwin and the First Science Fiction». A: Literature in the Age of Celestial Discovery. New York: Palgrave Macmillan US, 2016, p. 109–132. DOI10.1007/978-1-137-56803-8_6. ISBN 978-1-349-88743-9.
«Mars». A: John Clute. The Encyclopedia of Science Fiction. «Later in the nineteenth century, Mars became important as a major target for specific cosmic voyages because the Moon, known to be lifeless, seemed a relatively uninteresting destination.»
