Files of the ESCO Fund Committee, Inc. and its related foundations ESCO Foundation for Palestine and ESCO, Friends, Inc. The files contain correspondence, reports, clippings, Board minute books, photographs and ESCO publications. Among the correspondence are Stephen Wise, Theodore Kolleck, Ernest Bloch, and Leonard Bernstein. The collection also includes papers relating to Frank and Ethel Cohen's personal (i.e., non-ESCO) Zionist and Jewish interests.

Letters, notes, programs, photographs, and printed materials. The collection is comprised primarily of handwritten correspondence between Reiner and notable music figures including Samuel Barber, Leonard Bernstein, Aaron Copland, Lukas Foss, Darius Milhaud, Arthur Nikisch. Arnold Schoenberg, Richard Strauss, Igor Stravinsky, and Leo Weiner. Also of note, letters from writer and conductor Gian Francesco Milpiero and his wife Auna detailing wartime conditions in Italy (1946).

Correspondence, manuscripts, diaries, notebooks, copies of scores, drawings, programs, clippings and other printed materials, and photographs. Among the cataloged correspondents are: Leonard Bernstein, Carol Channing, and Douglas Moore.

Maurice Peress (1930-2017) was an American orchestra conductor, arranger, author, and educator. The papers include audio and video recordings, clippings, contracts, correspondence, diaries, memorabilia, notebooks, photographs, posters, programs, research materials, reviews, scores, scrapbooks, and working files, sketches, and other materials.