Dawn Powell (1896-1965) was an American author of novels, plays, and short stories. The collection includes address books, appointment books, books, clippings, correspondence, diaries, ephemera, family materials, manuscripts, notes, notebooks, photographs, programs, research files, reviews, scrapbooks, sketches and drawings.

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, documents, notes, printed material, and photographs of Leonard Altman concerning his work as editor of LISTEN and board member of Carnegie Hall as well as his other professional and personal interests.

Correspondence, manuscript, and printed materials of Kees. There are fourteen letters from Kees to Herbert Cahoon, twelve letters from James T. Farrell to Kees, the manuscript of Kees' THE LAST MAN, and announcements and clippings by and about Kees.