Photograph, oral history and transcript of interview.

Oral history and transcript of interview.

Oral history interview.

Photograph and oral history.

Autograph letter thanking Steenberg for his letter, offering encouragement, and discussing Grieg's activities. Written on stationery imprinted 'Hotel Beau-Rivage, Genève, Mayer & Kunz.' Accompanied by English translation.

Bound volume of personal photographs relating to Enrico Caruso's private life and depicting his travel, family and friends. Although Caruso did not take all the photographs, he selected and arranged them in this volume.

Acrylic painting by Joseph Schillinger illustrating his theories about the "Mathematical Basis of the Arts". Acrylic paint on paper.

Manuscript suggesting various ideas of Joseph Schillinger for an "ice ballet" where the ice would be treated with a compound "capable of producing a chemical color reaction when excited by steel."

Letter from composer Henry Cowell to Frances Schillinger, starting that "I stand to do all I can for the [Schillinger] System, of course."