Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 30 May 1957

Alfred H. Barr Jr., director of the Collections Department at New York's Museum of Modern Art, confirms to Daniel-Henry Kahnweiler that the proposed varnishing method will not be applied without Pablo Picasso's consent. He also explains to him what is entailed in the treatment, and touches on other issues related to the exhibition Picasso: 75th Anniversary, which is taking place at the time.