This book contains the papers given at a historic conference on religious liberty that took place in 2015 in Norcia, Italy, in the presence of Cardinal Raymond Burke, under the auspices of the Dialogos Institute. 8 Catholic scholars from around the world met to discuss this most controversial of theological questions. Their papers focus on Vatican II's 'Declaration on Religious Liberty', Dignitatis humanae, setting it in its historical and doctrinal context. The speakers debate the meaning of this document and its compatibility with other teachings of the Catholic Church. This book contains the introductory address given by Cardinal Burke, and the speeches given by the participants, revised and in some cases augmented by themselves. It concludes with an original essay arising out of the papers and subsequent discussions, in which Dr Alan Fimister of the Dialogos Institute attempts an original synthesis of the insights of the various speakers.The 2015 Dignitatis humanae colloquium was a unique occasion which brought together orthodox Catholic speakers which greatly differing views on a complex and fascinating subject. No serious student of the Church's teaching on religious liberty, on the role of Church and State, or on the social kingship of Christ will want to be without this volume.