Correspondence, manuscripts of writings, essays, photos., notebooks, and other papers. Includes correspondence with his colleagues on chemical problems; laboratory notebooks, 1895-1934; correspondence and manuscripts on early investigations into the structure of camphoric acid and the camphoric series, and of his later studies on valence, electron theory, ionization and their relationship to organic chemistry; notebooks and correspondence from Noyes' student years at Iowa College and Johns Hopkins University; files concerning Noyes' editorship of several journals relating to chemistry; correspondence and manuscripts (1920-1940) on war, the economy, fascism, interventionism, religion, and similar subjects; and personal correspondence with family and friends. Correspondents include: Roger Adams, Marston Bogard, Arthur Capper, Arthur Compton, Charles Jackson, Arthur B. Lamb, Gilbert Lewis, Charles Marie, Robert S. Mulliken, Linus Pauling, Ira Remsen, Theodore Remsen, Theodore Richards, Albert Shaw, Charles M. Sheldon, Alexander Smith, Julius Steiglitz, and Wilhelm Willstaetter.