Coba jelasin Bacaan lanjutan dari Organisasi Bumi Datar dong

Raymond Fraser (2007). When The Earth Was Flat: Remembering Leonard Cohen, Alden Nowlan, the Flat Earth Society, the King James monarchy fack, the Montreal Story Tellers and other curious matters. Black Moss Press, ISBN 978-0-88753-439-3

Martin Gardner (1957). Fads & Fallacies in the Name of Science, Dover Publications, ISBN 0-486-20394-8, chapter 2, pg 16-27

James Randi (1995). An Encyclopedia of claims, Frauds, and Hoaxes of the Occult and Supernatural, St. Martin's Press, ISBN 0-312-13066-X, pg 97-98. (Available online)

Robert Schadewald (1981). Scientific Creationism, Geocentricity, and the Flat Earth, Skeptical Inquirer, vol 6, #2, Winter 1981-82, 41-48.

Ted Schultz, editor. (1989). The Fringes of Reason: A Whole Earth Catalog, Harmony Books, ISBN 0-517-57165-X, pg. 86, 88, 166.

William F. Williams, editor. (2000). Encyclopedia of Pseudoscience, Facts on File, ISBN 0-8160-3351-X, pg 114-115.

Christine Garwood (2007) Flat Earth: The History of an Infamous Idea, Pan Books, ISBN 1-4050-4702-X

Robert Schadewald (2008). Worlds of Their Own - A Brief History of Misguided Ideas: Creationism, Flat-Earthism, Energy Scams, and the Velikovsky Affair, Xlibris, ISBN 978-1-4363-0435-1, Part III, chapters 11,12 and 13, pg 85-126