Interesting 1969 handwritten and signed letter of the widow of Bartók,the formal student and Duo Partner Ditta Pásztory 1903-1982

Bartók dedicated his 3rd piano concerto to her, and played the first performance of his Work: "Sonata for 2 pianos and percussion"

to the formal Student of Bartók, Jùlia Székely 1906-1986  who became a famos writer about musicians like Bartók, Liszt, Chopin, Schubert

In the letter she thanks for the book she received from her, which made a " big joy"

"and sorry for writing so late"