Advances in computer storage of scientific and cultural material add urgency to the need for backup on the moon.

"Why the Moon? Human Survival!" by Robert Shapiro, March 19, 2007

An excerpt from Robert Shapiro's 1999 book titled "A Lunar Sanctuary" which provided the germ of the idea for ARC.

"The Survival Imperative: Using Space to Protect Earth," presented by William E. Burrows, Garden Grove, California, February 25, 2004

Question submitted by Robert Shapiro to "Edge The World Question Center" as part of response to the following question posed by President George W. Bush: "What are the pressing scientific issues for the nation and the world, and what is your advice on how I can begin to deal with them?" (2003)

The submitted text of “An Alliance to Rescue Civilization” By Robert Shapiro and William E. Burrows published in Ad Astra (Sept/Oct 1999) a publication of the National Space Society

“An Alliance to Rescue Civilization: Long Range Strategy for Using Space to Protect Mankind” by William E. Burrows, a luncheon address tothe The High Frontier Conference XV, Space Studies Institute and the Institute for Advanced Study, Princeton, New Jersey (May 8, 2001)

Text from “Deeefense” an article by William E. Burrows published in the “Ideas and Opinions” column of Space Times (May/June 2002), a publication of the American Astronautical Society

“The Alliance To Rescue Civilization: A Lunar Base For Planetary Defense” by William E. Burrows, Return to the Moon Symposium IV, Space Frontier Foundation, Houston, Texas (July 19, 2002)

"The Alliance to Rescue Civilization: An Organizational Framework" by Steven Wolfe, Return to the Moon Symposium IV, Space Frontier Foundation, Houston, Texas (July 20, 2002)
Paper text and PowerPoint slides available

Text of “Planetary Defense” by William E. Burrows printed in the Op Ed section of Space News (Sept 23, 2002)