Das Bohrsche Atommodell - Bohr, Niels 1885-1962 (E. Battenberg, 1964)
The essays by N. Bohr included here appeared originally in the Philosophical magazine, 1913-15; the translation, by H. Stintzing, was published in 1921 under title: Abhandlungen über Atombau aus den Jahren 1913-1916.