Preface -- Contents -- Abbreviations -- Introduction -- Chapter 1. Diplomatic Relations between the Anglo-Norman and Salian Kingdoms -- Chapter 2. Renovatio Regnorum et Archiepiscoporum: Early Angevin-Staufen Relations and the Rise of Cologne -- Chapter 3. Philip of Heinsberg, Henry the Lion, and Anglo-German Relations: Cooperation and Regionalism -- Chapter 4. Richard the Lionheart and Otto IV: Itinerant Kingship and the City of Cologne -- Chapter 5. King John, Otto IV, and Cologne: A Case Study of Kinship, Kingship, and Diplomacy between Medieval Political Communities -- Chapter 6. Cologne Archbishops: Territorialpolitik, Marriage Negotiations, and Imperial Relations with England -- Chapter 7. Epilogue: The Quixotic Kingship of Richard of Cornwall and Anglo-Cologne Diplomacy during Edward I's Reign -- Conclusion: Reflections on the Nature of Political Life and Interregional Diplomatic Activity during the Central Middle Ages -- Appendix: The Archbishops of Cologne -- Select Bibliography -- Index.