Why Stanford in Florence? (PDF)
Keynote address at the 50th Anniversary of Stanford University's Breyer Center for Overseas Studies in Florence, June 21, 2010.
The Search to Know—What? Reflections on the Purposes of the University (PDF)
Lecture delivered at the Curriculum Workshop, The Van Leer Jerusalem Institute, May 27, 2010.
A Young Man from 'ultima Thule' Visits Jefferson: Alexander von Humboldt in Philadelphia and Washington (PDF) and streaming video version of lecture (video)
The Henry LaBarre Jayne Lecture, American Philosophical Society in Philadelphia, November 14, 2009 (PDF 196k).
Ein junger Mann aus "ultima Thule" zu Besuch bei Jefferson: Alexander von Humboldt in Washington (in German, PDF)
Keynote address at the public meeting of the Order Pour le mérite for the Sciences and Arts in Berlin, June 8, 2009. In Yearbook of the Orden Pour le mérite für Wissenschaften und Künste, vol. 37, 2008-2009, Wallstein Verlag.
On Citizenship (PDF)
Review article with Stephen D. Krasner, in The American Interest Online (January/February 2009).
The Concept of National Citizenship in the Contemporary World: Identity or Volition? (PDF)
Lecture at the Bucerius Law School in Hamburg, September 26, 2008.
Forswearing Allegiance (PDF)
Maurice and Muriel Fulton Lecture in Legal History, The University of Chicago Law School, May 1, 2008.
Caesarism in Democratic Politics: Reflections on Max Weber (PDF) and as streaming video version of lecture (webcast)
Lecture delivered to the John W. Kluge Center at the Library of Congress on March 22, 2007.
Gibt es ein europäisches Demokratiedefizit? (PDF)
Lecture delivered at the Carl Friedrich von Siemens Stiftung in Munich on May 30, 2006.
Rule of Law? Whose Law? (PDF)
Published in the Festschrift für Andreas Heldrich zum 70. Geburtstag.
Die Karlsruher Republik (in German, PDF)
Versions of the Keynote Address at the State Ceremony Celebrating the 50th Anniversary of the Federal Constitutional Court.
Die Idee einer Universität (PDF)
Lecture delivered at the Wissenschaftskolleg zu Berlin and reprinted in Die Politische Meinung 378 (May 2001)
The United States at the End of the "American Century": The Rule of Law or Enlightened Absolutism? (PDF)
The Tyrrell Williams Lecture at the Washington University School of Law, January 31, 2000.