Ettore Costa received his PhD at the University of Rome, La Sapienza, Italy. For this research he received the Doctoral Dissertation Award and Medal of the Speaker of the Senate from Fondazione Spadolini Nuova Antologia, and the Minerva Award from Fondazione La Sapienza.

Explores the connected histories of socialist internationalism and the British Labour party in the years preceding the Cold War

Charts the changing nature of the socialist parties that comprised the provisional Socialist International in 1946 up until its official rebirth in 1951

Shows how international contact and exchange between socialist parties promoted social democracy across Europe

Chapter 1: Introduction.- Chapter 2: From the old International to the new internationalism (1940-45).- Chapter 3: Parties and people, the Labour Party and the international socialist network.- Chapter 4: The Labour Party and Eastern Europe, social democracy behind the Iron Curtain.- Chapter 5: The Institutional Development, from the International Socialist Conference to Comisco (1946-1948).- Chapter 6: The Labour Party and Italy, social democracy below the Olive Line.- Chapter 7: 'The little Foreign Office of Transport House', British foreign policy and socialist internationalism.- Chapter 8: The Rebirth of the Socialist International (1948-1951).- Chapter 9: Conclusion.