互联网档案馆的存檔,存档日期2011-07-20., News release, Wheaton College, February 8, 2006 Friedman, Nick. "MY MUSE": DIRECTORS & ACTORS WHO KEEP WORKING TOGETHER—PART I. December
World War II Landing Craft Tanks. [16 January 2011]. (原始内容存档于2011-09-02). Friedman, Norman. U.S. Amphibious Ships and Craft: An Illustrated Design History
Diego, Go!》 63rd Annual Peabody Awards (页面存档备份,存于互联网档案馆), May 2004. Emily Friedman (21 May 2010), Is Dora The Explorer an Illegal Immigrant? (页面存档备份,存于互联网档案馆)
Leisure, Community and Everyday Life. Basic Books. ISBN 978-0-465-02476-6. Friedman, Thomas (2005). The World Is Flat: A Brief History of the Twenty-first