Alfred H. Barr Jr., director of the Collections Department at the Museum of Modern Art, New York, thanks Pablo Picasso for the letters received in April 1953 and agrees with his request to loan works for the retrospective to be held at the Second São Paulo Biennial.

Reference in the source Archive:

Courtesy Arquivo Histórico Wanda Svevo/Fundação Bienal de São Paulo

Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 15 June 1953