Editing Project HARP (section)

== Further reading ==
*{{Cite book|title=Paris Kanonen: The Paris Guns (Wilhelmgeschutze) and Project HARP|first1=Gerald|last1=Bull|first2=Charles|last2=Murphy|year=1988|publisher=Herford|isbn=9783813203042}}
*{{cite news |title=HARP-ing on a memory |first=Gercine |last=Carter |url=http://www.nationnews.com/news/local/Carlton-Brathwaite-FEATURE-copy-for-web |newspaper=[[The Daily Nation (Barbados)|Nation Newspaper]] |date=23 April 2010 |access-date=23 April 2010 |archive-url=https://web.archive.org/web/20100425031747/http://www.nationnews.com/news/local/Carlton-Brathwaite-FEATURE-copy-for-web|archive-date=2010-04-25|url-status=dead}}
*{{cite news |title=Things That Matter: The Great Guns of Barbados |first=Henry S. |last=Fraser |url=http://www.barbadosadvocate.com/newsitem.asp?more=columnists&NewsID=19405 |newspaper=[[The Barbados Advocate]] |date=21 August 2011 |access-date=21 August 2011 |archive-url=https://web.archive.org/web/20100425031747/http://www.barbadosadvocate.com/newsitem.asp?more=columnists&NewsID=19405 |archive-date=April 25, 2010}}
*{{cite web |url=http://angelacole.caribusiness.com/Home/about--angela-cole/the-paris-airshow/overpaid-bajans/extracts/gerald-bull/localknowledgeofharp |title=Local knowledge of HARP |date=December 2, 2008 <!-- @ 10:13 AM  --> |work=Caribusiness Admin |publisher=Angela Cole |access-date=October 18, 2011 |archive-url=https://web.archive.org/web/20111005105049/http://angelacole.caribusiness.com/Home/about--angela-cole/the-paris-airshow/overpaid-bajans/extracts/gerald-bull/localknowledgeofharp |archive-date=October 5, 2011 |url-status=dead}}
*"Arms and the Man - Dr. Gerald Bull, Iraq, and the Supergun" by William Lowther, Presidio Press, 1991, {{ISBN|978-0891414384}}