The collection consists of letters to Elizabeth Mayer and Wolfgang Sauerländer concerning their translation and editorial work, with related reports and legal documents relating to business operations of Pantheon Books, Random House, and the Bollingen Foundation. Many letters concern Mayer's and Sauerländer's personal and professional relationships with Kurt and Helen Wolff. Other correspondence includes letters to Sauerländer from Jacques Schriffrin, letters and documents relating to translations of Bertolt Brecht by Ralph Manheim, and letters to Mayer from Norman Holmes Pearson and Erich and Fine Kahler, accompanied by photographs of Fine Kahler. Most correspondence to Sauerländer includes typescript carbon copies of his responses.