References 1. https://www.cambridge.org/core/books
2. https://www.benjaminbritten.school
3.https://www.academia.edu/6239704/Cold_War_Hot_Peace_Benjamin_Britten_Pacifist_Music_and_Czechoslovakia_talk_from_2005
4. https://www.gov.uk/government/publications/benjamin-britten-academy-of-music-and-mathematics
5. https://www.cambridge.org/core/books/cambridge-companion-to-benjamin-britten/2C026D64E23440BC72D73D394A240F98
6. Tony Palmer's film about "a time there was" Benjamin Britten