Correspondence, manuscripts, papers, essays, etc. relating to Berlioz, and 19th century arts and literature. The correspondence includes original Berlioz letters and over 200 copies of letters relating to Berlioz and the romantic era, written by musicians, critics, historians, and literateurs of the past century. There are many photostats of letters and manuscripts obtained from the principal libraries of the world which hold original Berlioz material. The collection includes much printed material in the form of music scores, published letters, essays, clippings, biographies, music and book catalogues, program notes, and playbills.

Correspondence, manuscripts, notes, diaries, documents, photographs, audio tape recordings, printed materials, scrapbooks, and sketches and drafts of portraits. Her finished portraits on ivory are cataloged separately for the Art Collection (q.v.). The collection includes her correspondence with friends and clients; manuscripts of her articles, lectures, and many unpublished autobiographical drafts; pencil sketches, watercolor drafts, and photoprints of her portraits on ivory; photographs of her family amd travels; clippings and other printed materials; and three scrapbooks of clippings and memorabilia. There is cataloged correspondence from Arnold Genthe, S.I. Hayakawa, Karen Horney, Burges Johnson, Dwight Macdonald, and Alice B. Toklas, etc.