Chapter 4, 30 October 1949
Igor Stravinsky
Nadia Boulanger
Paul Sacher Stiftung
30 October 1949
Letter
Chapter 4, 4 May 1949
Nadia Boulanger
Soulima Stravinsky
Bibliothèque Nationale De Paris
4 May 1949
Letter
Chapter 4, Undated
Igor Stravinsky
Nadia Boulanger
Paul Sacher Stiftung
Undated
Letter
Chapter 4, 18 March 1949
Igor Stravinsky
Nadia Boulanger
Paul Sacher Stiftung
18 March 1949
Letter
Chapter 4, 18 March 1949
Nadia Boulanger
Igor Stravinsky
Bibliothèque Nationale De Paris
18 March 1949
Letter