The composer thanks Berthelot for his assistance as Secretary General of the Ministry of Foreign Affairs.
"Dear Mr. Berthelot, Having returned from a concert tour, I found your kind note in my mail. I am therefore writing to you to sincerely thank you for the generous support you were kind enough to give me with my request and for the thoughtful gesture of sending me the good news. Believe me, dear Mr. Berthelot, yours sincerely, Igor Stravinsky. "