Publications
Books
Books
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The Oxbridge Solution: Returning to the Medieval Roots of Higher Education (under review)
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Hobbit Virtues: Rediscovering Virtue Ethics through Tolkien (New York and London: Pegasus/Simon & Schuster, 2020)
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Gatsby’s Oxford: Scott, Zelda and the American Invasion of Oxford in the Jazz Age, 1904-29 (New York: Pegasus; Toronto: Penguin/Random House, 2019); Chinese edition (Shanghai, 2025)
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The Making of Middle-earth: A New Look inside the World of J.R.R. Tolkien (New York: Sterling, 2013; rev. ed. 2022); published in German (Heel Verlag, 2013)
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General Editor, The Early Peoples of Britain and Ireland: An Encyclopedia, 2 vols. (Oxford and Westport, CT: Greenwood International, 2008)
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The Britons, The Peoples of Europe series (Oxford: Blackwell, 2003; 2nd printing, 2005); published in Italian (Genoa: ECIG, 2007), Chinese (Beijing: Peking Univ. Press, 2009), and Polish (2011)
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The World of King Arthur (New York and London: Thames and Hudson, 2000; rev. pbk. ed. 2011); published in the UK as Exploring the World of King Arthur; published in French as À la Recherche du Roi Arthur (Paris: Le Pré aux Clercs, 2001); published in Japanese in 2002
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An Age of Tyrants: Britain and the Britons, AD 400-600 (University Park, PA: Penn State University Press, 1998; Gloucester, UK: Alan Sutton, 1998)
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Sub-Roman Britain (AD 400-600): A Gazetteer of Sites, British Archaeological Reports (BAR) British Series No. 247 (Oxford: Tempvs Reparatvm, 1996)
Select Articles and Essays
Journal Articles
· “‘A Mere College Quarrel?’ John Henry Newman and the Tutorial System at Oxford c.1826-32,” The Journal of Newman Studies, 22, no. 1 (Summer 2025): 5-30
· “‘Who are the Britons?’ Questions of Ethnic and National Identity in Arthurian Films,” Arthuriana 29, no. 2 (2019): 6-23
· “Britons and the Celtic Penitentials” Journal of Welsh Legal History (July 2016)
· “Assessment, Accountability, and Honors Education” (with Scott Carnicom) Journal of the National Collegiate Honors Council 12, no. 1 (Spring/Summer 2011): 111-27
· “Learning Outcomes Assessment in Honors—A Valid Exercise?” (with Scott Carnicom) Journal of the National Collegiate Honors Council 11, no. 1 (Spring/Summer 2010): 69-82
· “The Use of History and Archaeology in Contemporary Arthurian Fiction,” Arthuriana 19, no. 3 (2009)
“The Age of Arthur: Some Historical and Archaeological Background,” The Heroic Age 1 (Summer 1999)
· “A Gazetteer of Sub-Roman Britain (AD 400-600): The British Sites,” Internet Archaeology 3 (Summer 1997) http://intarch.ac.uk/journal/issue3/snyder_toc.html
· “Celtic Continuity in the Middle Ages,” Medieval Perspectives 11 (1996): 164-78
Book Chapters
· “C.S. Lewis,” in From Soldier to Storyteller, ed. by Kathleen B. Williams and Hal M. Freedman. Jefferson, NC: McFarland Publishing, 2024.
· “Teaching Arthurian Origins: History and Archaeology,” in MLA Guide to Teaching Arthurian Literature, ed. by Dorsey Armstrong (MLA, forthcoming)
· “King Arthur.” In Oxford Bibliographies in Medieval Studies. Ed. Paul E. Szarmach. New York: Oxford University Press, 2015.
· “To be, or not to be—king: Clive Donner's Alfred the Great (1969),” in Reel Vikings: Cinematic Depictions of Medieval Scandinavia, ed. by Kevin Harty. Jefferson, NC: McFarland, 2011.
· “Medieval Europe,” in The History Highway: A 21st-Century Guide to the Internet, ed. by Dennis A. Trinkle and Scott A. Merriman (New York: Sharpe, 2006), 78-94
· “Arthurian Origins,” in A History of Arthurian Scholarship, ed. by Norris J. Lacy (Woodbridge, Suffolk and Rochester, NY: Boydell and Brewer, 2006), 1-18
· “Arthur and Kingship in the Historia Brittonum,” in The Fortunes of Arthur, ed. by Norris J. Lacy (Woodbridge, Suffolk and Rochester, NY: Boydell and Brewer, 2005), pp. 1-12
· “From Aquileia to Camelot: Magnus Maximus and the Arthurian Tradition,” in Gli Echi della Terra. Presenze Celtiche in Friuli: Dati, Materiali e Momenti dell' Immaginario. Convegno di Studi, ed. by Fabio Cavalli and Isabelle Ahumada Silva for the Accademia Jaufré Rudel di Studi Medievali (Pisa: Giardini, 2002), pp. 44-50.
Encyclopedia Entries
· “Arthur,” “Badon,” “Britons,” “Brittonic Age,” “Gildas,” “Ambrosius Aurelianus,” “Magnus Maximus,” “Weapons and Warfare,” “bards,” “Birdoswald,” “Caernarfon,” “Carlisle,” “Cartimandua,” “Cassivellaunus,” “Celts,” “Cerdic,” “Cernunnos,” “Constantine III,” “Cornish rounds,” “Cornwall,” “Cumbria,” “Cunomorus,” “Elmet,” “Lug,” “Exeter,” “Magnus Maximus,” “Saxons,” “Tacitus,” and “Vortigern,” in The Early Peoples of Britain and Ireland: An Encyclopedia, ed. by Christopher A. Snyder (Oxford and Westport, CT: Greenwood, 2008)
· “Gildas” and “Mount Badon, Battle of (c.500),” in Reader’s Guide to British History (London: Fitzroy Dearborn, 2003)
· “King Arthur and the Holy Grail,” in Seventy Great Mysteries of the Ancient World, ed. by Brian Fagan (New York and London: Thames and Hudson, 2001)