Letter from composer Henry Cowell to Frances Schillinger: "I am glad to hear of your book on Joseph."

Letter from Frances Schillinger to composer Henry Cowell, anticipating his upcoming visit to her and inviting him to dinner.

Letter from composer Henry Cowell to Frances Schillinger: "I'll do all the work I can for the SYSTEM on the West coast."

Letter from composer Henry Cowell to Frances Schillinger, giving advice on publishing Joseph Schillinger's work.

Letter from composer Henry Cowell to Frances Schillinger.

Letter from composer Henry Cowell to Frances Schillinger, discussing the upcoming publication of Joseph Schillinger's work and hoping that Cowell will have a chance to review the newly published material.

Autograph letter discussing interpretation of Bloch's Sonata no. 1 for violin and piano.

Letter from composer Henry Cowell to Frances Schillinger: "I was delighted to have a notice this morning that Joseph's Mathematical Basis is coming out with the Philosophic Press."

Letter from Frances Schillinger to composer Henry Cowell, noting that "I work very hard, Henry, and sometimes setbacks discourage me. But not for long, of course! There is too much work to do!"

Letter from composer Henry Cowell to Frances Schillinger, updating her on the progress of publishing Joseph Schillinger's work.