Bibliography

Abbott, H. H. The Riddles of the Exeter Book. Cambridge: Golden Head P., 1968.

Durand, Guillaume, and Thibodeau, T. M. The Rationale Divinorum Officiorum of William Durand of Mende : (a New Translation of the Prologue and Book One). Records of Western Civilization. New York: Columbia University Press, 2007.

Forhan, Kate Langdon. The Book of the Body Politic. Cambridge Texts in the History of Political Thought. Cambridge, UK; New York, NY, USA: Cambridge University Press, 1994.

“George E. Bates, 89, Investment Professor and Expert on Coins,” The New York Times, October 9, 1992, http://www.nytimes.com/1992/10/08/obituaries/george-e-bates-89-investment-professor-and-expert-on-coins.html

Guilfoy, Kevin, "John of Salisbury", The Stanford Encyclopedia of Philosophy (Spring 2015 Edition), Edward N. Zalta (ed.), URL = <http://plato.stanford.edu/archives/spr2015/entries/john-salisbury/>.

Johnston, Roger G. "Tamper-Indicating Seals: From the Earliest Civilizations to the Present, Seals have Provided Evidence of Unauthorized Access." American Scientist 94.6 (2006): 515-23. Print.

"Lock and Key - History." - Locks, Bolt, Wooden, and Keys. Accessed April 04, 2016. http://science.jrank.org/pages/3989/Lock-Key-History.html.

Singer, Charles Joseph. A History of Technolog,. Ed. Trevor Illtyd Williams. Oxford,: Clarendon Press, 1954.

Vikan, Gary., Nesbitt, John, Dumbarton Oaks, and Menil Foundation. Security in Byzantium : Locking, Sealing, and Weighing. Publications (Byzantine Collection (Dumbarton Oaks)) ; No. 2. Washington, D.C. : Houston, Tex.: Dumbarton Oaks Center for Byzantine Studies ; Menil Foundation Collection, 1980.

Williamson, Craig, and Shippey, T. A. Beowulf and Other Old English Poems. Philadelphia: University of Pennsylvania Press, 2011.