'Stone Architecture on Mars, Demonstrating Mars' two-thirds less gravity than Earth's' (1956) by Chesley Bonestell [Published in: Ley & Von Braun's 'The Exploration of Mars', 1956, p. 66, as plate x]pic.twitter.com/pUDEEKXVij
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'Landing on Deimos Before Going on to Mars' by Chesley Bonestell in Collier's magazine (March 22, 1952) https://www.flickr.com/photos/57440551@N03/14074564148 …pic.twitter.com/3aK0p07pGX
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