General introduction. Foreword. Abbreviated titles of periodicals. Niels Bohr: Biographical sketch. Part I: Surface tension of water. Part II: Electron theory of metals. Part III: Selected family correspondence 1909-1916. Inventory of manuscripts in the Niels Bohr archive. Index.
``His Collected Works will stand as one of the very greatest documents in the history of science and of human thought.'' (Physics Bulletin)