serbest bırakıldı. Pryor, Sovyet casus Rudolf Ivanovich Abel'in yakalanışı ile Amerikalı pilot Francis Gary Powers ve Frederic Pryor'ın yer aldığı tutuklu
Seahenge: a contemporary chronicle (Aylsham, Barnwell's Timescape 2000). FrancisPryor: Seahenge: new discoveries in prehistoric Britain (London, Harper and
Origins, Myths and Inventions. Stroud: Tempus Publishing. ISBN 0-7524-2913-2. ^ Pryor, Francis (2004). Britain BC. Harper Perennial. ISBN 978-0007126934.
Encyclopedia, Santa Barbara and Oxford: ABC-CLIO, ISBN 978-1-85109-440-0 Pryor, Francis (2005), Britain AD: A Quest for Arthur, England and the Anglo-Saxons