SCI FI Channel Auction to Benefit Reading Is Fundamental. PNNonline.org (Internet Archive) (March 18, 2003). დაარქივებულია ორიგინალიდან — სექტემბერი 28, 2007. ციტატა: „Since its debut in 1965, Frank Herbert's Dune has sold over 12 million copies worldwide, making it the best-selling science fiction novel of all time ... Frank Herbert's Dune saga is one of the greatest 20th Century contributions to literature.“ ციტირების თარიღი: September 28, 2007
SCI FI Channel Auction to Benefit Reading Is Fundamental. PNNonline.org (Internet Archive) (March 18, 2003). დაარქივებულია ორიგინალიდან — სექტემბერი 28, 2007. ციტატა: „Since its debut in 1965, Frank Herbert's Dune has sold over 12 million copies worldwide, making it the best-selling science fiction novel of all time ... Frank Herbert's Dune saga is one of the greatest 20th Century contributions to literature.“ ციტირების თარიღი: September 28, 2007