1. On the theory of the decrease of velocity of moving electrified particles on passing through matter;Bohr;Philosophical Magazine,1913
2. On the constitution of atoms and molecules;Bohr;Philosophical Magazine,1913
3. On the constitution of atoms and molecules, part II, systems containing only a single nucleus;Bohr;Philosophical Magazine,1913
4. On the constitution of atoms and molecules, part III, systems containing several nuclei;Bohr;Philosophical Magazine,1913
5. The spectra of helium and hydrogen;Bohr;Nature,1913