• Architectural Design, History, Theory, Montana State University, 1988
• Ph D, History, University of Chicago, 1986
• Regular Member, Harry L Levy Fellow, 1982-83; Associate Member, 1983-85, American School of Classical Studies at Athens, 1985
• Summer Seminar, American Numismatic Society, Summer Seminar, 1981
• MA, Ancient History, Classics, University of Maryland, 1980
• BS, Comparative Literature, History, Greek, Augustana College , 1978

Citations listed below are presented in a standardized, modified format for display purposes only. They do not necessarily reflect the preferred style and conventions of the faculty member or discipline.

• Lehmann, Clayton. Palestine. In T&T Clark Companion to Second Temple Judaism., edited by Dan Gurtner and Loren Stuckenbruck, 579-80. Vol. 2. T&T Clark, 2020.
• Lehmann, Clayton. Review of Insularity and Identity in the Roman Mediterranean, edited by Anna Kouremenos (Havertown: Oxbow Books, 2018). Vol. 2019.08.06. Classical Journal--Online, 2019.
• Lehmann, Clayton. Review of The Ancient Mediterranean Sea in Modern Visual and Performing Arts: Sailing in Troubled Waters. Edited by Rosario Rovira Guardiola. Imagines: Classical Receptions in the Visual and Performing Arts. London, UK: Bloomsbury Academic, 2018., 382-84. Vol. 114, Iss. 3. Classical Journal, 2019.
• Lehmann, Clayton. Review of The Ancient Mediterranean Sea in Modern Visual and Performing Arts: Sailing in Troubled Waters. Edited by Rosario Rovira Guardiola. Imagines: Classical Receptions in the Visual and Performing Arts. London, UK: Bloomsbury Academic, 2018.. Vol. 2018.11.02. Classical Journal--Online, 2018.
• Lehmann, Clayton. Review of Ancient Ports: The Geography of Connections, Proceedings of an International Conference at the Department of Archaeology and Ancient History, Uppsala University, 23-25 September 2010, Boreas, 34 (Uppsala: Acta Universitatis Upsaliensis, 2016), edited by Kerstin Höghammar, Brita Alroth, and Adam Lindhagen.. Vol. 2017.06.44 . Bryn Mawr Classical Review, 2017.
• Lehmann, Clayton. Imagining and Reimagining Greece. In From the Archivist's Notebook: Essays Inspired by Archival Research in Athens Greece, edited by Natalia Vogeikoff-Brogan..
• Lehmann, Clayton. Review of "Bigger than Ben-Hur: The Book, Its Adaptations, and Their Audiences," edited by Barbara Ryan and Milette Shamir. Vol. 2017.04.08. Classical Journal, 2017.
• Lehmann, Clayton. Imagining Greece, the 63rd Annual Harrington Lecture. College of Arts and Sciences, USD, 2016.
• Lehmann, Clayton. Review of "Fishing and Shipwreck Heritage" by Sean A Kingsley. Vol. 2016.09.09. Classical Journal, 2016.
• Lehmann, Clayton. Review of "Antiquity Now," by Thomas E Jenins. Vol. 2016.06.11. Classical Journal, 2016.
• Lehmann, Clayton. Review of The Ancient World in Silent Cinema. PANTELIS MICHELAKIS and MARIA WYKE, eds. Cambridge and New York: Cambridge University Press, 2013. Pp. xxi + 379. Hardcover, $110.00. ISBN 978-1-107-01610-1.. In Classical Journal Online (CJ-Online). Vol. 2014.10.02. Classical Association of the Middle West and South, 2014.
• Lehmann, Clayton. Plus ultra and the Far Side of the World: The Imperial Ideal of Charles V. In 2013 European Studies Conference Selected Proceedings, edited by Juliette Parnell. Omaha NE: University of Nebraska, 2014.
• Lehmann, Clayton. Review of Max Kunze (ed.), Vom Nil aus um die alte Welt: Rekonstruktionen ägyptischer, minoischer und griechischer Schiffe. Kataloge des Winckelmann-Museums. Ruhpolding; Mainz: Franz Philipp Rutzen im Kommission bei Harrassowitz Verlag, 2013. Pp. 96. ISBN 9783447069564. €30.00.. Vol. 4, Iss. 31. Bryn Mawr Classical Review, 2014.
• Lehmann, Clayton. Review of Alastair J. L. Blanshard, Kim Shahabudin, Classics on Screen: Ancient Greece and Rome on Film.. Vol. 2012.07.07. Bryn Mawr Classical Review, 2012.
• Lehmann, Clayton. Attica and the Northern Cyclades on a Bavaria 46' and a 50'. In Kiriakoulis Yacht Charters Trip Review. Virgin Island Sailing, Ltd, 2012.
• Lehmann, Clayton. "Another Inscribed Column from Caesarea Maritima.", 191-95. Vol. 51. Zeitschrift für Papyrologie und Epigraphik , 1983.
• Lehmann, Clayton. "The Striding God of Zancle Messana." Revue belge de numismatique 127 (1981): 19 32...

• Harrington Lecture, College of Arts and Sciences, 2015
• Certificate of Appreciation, Phi Beta Kappa, 2015
• Richard and Sharon Cutler Award in Liberal Arts, College of Arts and Sciences, 2008
• Plaque of Appreciation, Phi Alpha Theta, 2008
• Summer Fellow. 2004., Center for Medieval and Renaissance Studies, UCLA, 2004
• Visiting Scholar, University of California at Los Angeles,, 2003
• Recipient of Research Enhancement Grant, The University of South Dakota, 2002
• Research Enhancement Grant Recipient, The University of South Dakota, 2001
• Recipient of Visiting Scholar Grant, The University of South Dakota, 2000
• Recipient of Undergraduate International Studies Title VIA Project, The University of South Dakota, 2000
• Recipient Research Enhancement Grant, The University of South Dakota, 2000
• Recipient of the Visiting Scholar Grant, The University of South Dakota, 1998
• Recipient of Faculty Development Symposium Grant, The University of South Dakota, 1997
• Recipient ofProposal Incentive Grant, The University of South Dakota, 1997
• Recipient of Faculty Development Symposium Grant, The University of South Dakota, 1996
• Fuculty Development Grant Recipient, The University of South Dakota, 1995
• General Research Grant Recipient, The University of South Dakota, 1995
• Research Microgrant Recipient, The University of South Dakota, 1995
• Bush Grant Foundation Grant, THe University of South Dakota, 1993
• General Research & Travel Fund, The University of South Dakota, 1993
• General Research & Travel Fund, The University of South Dakota, 1992
• General Research & Travel Fund, The University of South Dakota, 1991
• Dumbarton Oaks Byzantine Summer Fellow, Dumbarton Oaks, 1991
• General Research Grant, The University of South Dakota, 1991
• General Research & Travel Fund, The University of South Dakota, 1990
• Bush Grant Foundation Research, The University of South Dakota, 1989
• General Research Grant, The University of South Dakota, 1989
• Dumbarton Oaks Byzantine Summer Fellow, Dumbarton Oaks, 1983

• Lehmann, Clayton. "The Filicides in Pasolini's Medea". Presented at the Annual Meeting of the Southwest Popular/American Culture Association, Albuquerque. (February 2020)
• Lehmann, Clayton. Pasolini's Medea and the Six (Eight) Human Sacrifices. Presented at the Annual Conference of the Classical Association of the Middle West and South, Lincoln NE. (April 3, 2019)
• Lehmann, Clayton. The Six Human Sacrifices of Pasolini's Colonized Medea. Presented at the Citizenship and Sociopathy in Film, Television, and New Media, Madison WI. (November 9, 2018)
• Lehmann, Clayton. Why Did Thucydides Explain His Use of Speeches?. Presented at the Northern Great Plains History Conference, St Cloud MN. (September 15, 2016)
• Lehmann, Clayton. Why Did Thucydides Justify the Use of Speeches?. Presented at the Classical Association of the Middle West and South, Boulder. (March 27, 2015)
• Lehmann, Clayton. Presented at the Harrington Lecture, Farber Hall. (2015)
• Lehmann, Clayton. Charles V's Youthful Confession. Presented at the Northern Great Plains History Conference, Sioux Falls. (October 10, 2014)
• Lehmann, Clayton. The Imperial Ideal of Charles V. Presented at the 38th European Studies Conference, Omaha. (October 4, 2013)
• Lehmann, Clayton. Provinciae Imperii Romani..
• Lehmann, Clayton. Presented at the South Dakota Symphony. (2000)
• Lehmann, Clayton. Presented at the The On-line Encyclopedia of the Roman Provinces. (2000)
• Lehmann, Clayton. Dido and Aeneas. Presented at the Pre-performance lecture and program notes to Dido and Aeneas,, Slagle Hall. (1999)
• Lehmann, Clayton. The House the West Built.
• Lehmann, Clayton. Presented at the University of South Dakota Faculty Brass Quintet. (1998)
• Lehmann, Clayton. Presented at the Founding Member of the revived Dalesburg Cornet Band,. (1996)
• Lehmann, Clayton. Presented at the Undergraduate Research at Caesarea Maritima, Caesarea Maritima. (1996)