The collection contains materials related to the Kaufmans' personal lives and professional careers. The correspondence series contains letters to and from prominent musical and artistic figures of the 20th century, including Samuel Barber, Robert Russell Bennett, Mario Castelnuovo-Tedesco, Carlos Chávez, Aaron Copland, David Diamond, Olin Downes, Vladimir Dukelsky (Vernon Duke), Albert Einstein, Gerald Finzi, Morton Gould, Jascha Heifetz, Bernard Herrmann, Erich Wolfgang Korngold, Fritz Kreisler, Nikolai Lopatnikoff, Gian Francesco Malipiero, Bohuslav Martinů, Darius Milhaud, Dimitri Mitropoulos, Walter Piston, Quincy Porter, Francis Poulenc, Maud Powell, George Rochberg, Miklós Rózsa, Henri Sauguet, Frank Sinatra, Ernst Toch, Alice B. Toklas, and Ralph Vaughan Williams. The subject files relate to individuals or organizations of personal or professional interest to Louis and/or Annette Kaufman. The programs series contains printed concert programs for performances by Louis and/or Annette Kaufman, and for concerts they attended. Nineteen scrapbooks compiled by the Kaufmans document their professional music activities. The photographs include publicity shots and candid photographs of Louis and Annette Kaufman and photographs of their friends and colleagues in the music world. The collection also includes publicity posters, an award, and a bronze bust of Ernst Toch.