Niels Bohr Introduces the Quantum into Atomic Physics

Niels Bohr and the Quantum Theory of the Atom

Niels Bohr on the Application of the Quantum Theory to Atomic Structure

Niels Bohr and Modern Physics

Niels Bohr and the Problems of Atomic Theory

The Atomic Intrigues of Niels Bohr

Niels Bohr on the Constitution of Atoms and Molecules