• Space Colony Art from the 1970s https://publicdomainreview.org/collections/space-colony-art-from-the-1970s/ 131 comments 10/2/2019
• Space Colony Art from the 1970s http://settlement.arc.nasa.gov/70sArtHiRes/70sArt/art.html 57 comments 20/4/2014
• Space colony art from the 1970s http://publicdomainreview.org/2011/08/23/space-colony-art-from-the-1970s/ 49 comments 30/9/2012

• Space Colony Art from the 1970s http://www.nas.nasa.gov/about/education/spacesettlement/70sart/art.html 17 comments 10/1/2009 science
• NASA's Space Colony Art from the 1970s http://www.nas.nasa.gov/services/education/spacesettlement/70sart/art.html 3 comments 5/11/2006 reddit.com
• "Space Colony Art from the 1970s"- Research studies explored the possibilities of humans living in giant orbiting spaceships housing about 10,000 people http://publicdomainreview.org/2011/08/23/space-colony-art-from-the-1970s/ 4 comments 8/11/2011 space