Chapter 6, 18 February 1962
Denise Stravinsky, Denise Strawinsky
Nadia Boulanger
Fondation Théodore Stravinsky, Théodore Strawinsky
18 February 1962
Letter
Chapter 6, 6 March 1961
Nadia Boulanger
Igor Stravinsky
Bibliothèque nationale
6 March 1961
Letter