ISBN 9004158847 books & textbook
Inventing the Public Sphere: The Public Debate during the Investiture Contest (c. 1030-1122) (2 vols) (Brill's Studies in Intellectual History)
Brill /2007-11-13 Hardcover / 786 Pages
isbn-10: 9004158847 / isbn-13: 9789004158849