Includes letters from Anthony Perkins regarding cats; Correspondence regarding music from EMI, Leonard Bernstein, Glen Gould, Ned Rorem, Hugo Weisgall, Otto Luening, Lucia Popp, Gwyneth Jones, Astrid Varnay, Tim Page, Margaret Price, William Schuman, Régine Crespin (includes letter from Crespin to James Levine), E. Power Biggs, Lee Hoiby, Milton Babbitt, Emanuel Ax, Dawn Upshaw, Dominick Argento, Eric Bentley, Richard Tucker, Dorothy Kirsten, Lazlo Halasz, Boris Goldovsky, Felix Wolfes, Carl Lamson, Allen Sapp, Jean Kraft, Erich Leinsdorf, Meyer Kupferman, Schuyler Chapin, Donald Martino, William Mayer, Heddy Baum, Alexander Kipnis, Kent Nagano, William M. Hoffman, Joel Honig, Timothy Nolen, Omus Hirschbein, Nina Bojolo Alfano, Speight Jenkins, Teresa Sterne, Stephanie von Buchau, Nora London, Denes Striny, James Billings, autographed material by Renata Tebaldi, Frances Bible, and Anna Russell.