Acknowledgements -- Abbreviations -- Introduction -- section one intellectual context -- Introduction -- Chapter One. Demetrius' Intellectual Background -- 1.1. The Primary Context: The Byzantine Background -- 1.2. The Secondary Context: Western Texts -- 1.2.1. Demetrius' Latin Studies -- 1.2.2. The Evidence -- TheWriters/Texts -- Aquinas -- Augustinian Texts -- Boethius -- Further texts -- 1.2.3. The Western Material: Observations -- section two ideas and preoccupations -- Introduction -- The Sources: Demetrius' Writings to c. 1371 -- Chapter Two. The Political Sphere -- 2.1. Demetrius' Understanding of Imperial Office and His Relationship with His Imperial Patrons -- 2.2. Foreign Policy (Excluding Relations with the Latin West) -- 2.2.1. The Turkish Threat -- 2.2.2. Bulgarians and Serbs -- 2.2.3. Hungarians and Mongols -- 2.3. Foreign Policy: The Latins -- Chapter Three. The Religious Sphere -- 3.1. Key Principles and Ideas -- 3.1.1. Faith and Revelation -- 3.1.2. The Sources of Revelation: Interplay of Scripture, 'Fathers' and 'Councils' -- 3.1.3. Methodology: Infallibility and Fallibility -- Determining Authoritative Sources -- 3.1.4. Methodology: Defending the Latins -- 3.1.5. Methodology:The Status of Human Reason -- 3.1.6. 'Fathers' and 'Councils': Practical Issues -- 3.2. Specific Issues -- 3.2.1. The Church, East and West -- 3.2.2. The Filioque -- 3.2.3. Palamas -- section three historical context and implications -- Introduction -- Chapter Four. The Extent of 'Publicity' -- 4.1. Channels for Circulation -- 4.1.1. The Manuscript Evidence -- 4.1.2. Further Evidence of Circulation -- 4.2. Political Themes -- 4.2.1. Demetrius and His Imperial Patrons -- 4.2.2. Foreign Policy -- The Turkish Threat -- International Relations (Excluding the Latins) -- International Relations: The Latins -- 4.3. Religious Themes.

4.3.1. General Attitudes to the West, Including the Papacy -- 4.3.2. Specific Doctrinal Issues -- The Filioque -- Palamism, Philotheos and the Hesychasts -- 4.4. Normative Relations -- Conclusions -- Chapter Five. Contextualising Demetrius' Pro-western Approach -- Introduction -- 5.1. The General Background: Byzantine-papal/Byzantine-Latin Relations -- 5.2. Demetrius' Role in Developments -- 5.3. The Credibility of the Pro-western Propaganda -- Chapter Six. Orthodox Developments -- Introduction -- 6.1. Divisions within Orthodoxy -- 6.1.1. The Hesychast Background -- 6.1.2. The Repercussions of the Civil War -- 6.1.3. Philotheos and Demetrius in the Late 1360s -- 6.2. Indications of Strength? -- 6.2.1. 'Orthodox Universalism' and Relations with Other Orthodox Sees -- Serbia/Peç -- Bulgaria/Trnovo -- Russia/Kiev -- 6.2.2. 'International Hesychasm' -- Conclusions -- Conclusion -- Select Bibliography -- General Index -- Manuscripts mentioned -- Index of Letters of Demetrius Kydones cited -- Original works of named authors/translations cited in the text.