Walter Ullmann

ACLS Humanities E-Book

The Growth of Papal Government in the Middle Ages: A study in the ideological relation of clerical to lay power

Routledge

Law and Jurisdiction in the Middle Ages          

Penguin

Medieval Political Thought                      

Routledge

Principles of Government and Politics in the Middle Ages (Routledge Revivals)

Alianza Editorial.

Principios de gobierno y política en la Edad Media

Cambridge University Press

Law and Politics in Middle Ages                  

Routledge

The Medieval Idea of Law as Represented by Lucas de Penna (Routledge Revivals): A Study in Fourteenth-century Legal Scholarship

Routledge

Medieval papalism (routledge library editions: political science volume 36): The Political Theories of the Medieval Canonists

L'uovo del serpente                              

Routledge

The Carolingian Renaissance and the Idea of Kingship (Routledge Revivals) (Routledge Revivals: Walter Ullmann on Medieval Political Theory) (English Edition)