NBI History
Describes his work at the institute for theoretical physics at the Copenhagen university, lated renamed Niels Bohr Institute.

ESVA: Bohr Mini-Exhibit
Pictures from Emilio Segrè Visual Archives.

Lucidcafé: Niels Bohr
Brief biography and book references.

Niels Bohr Archive
A repository of primary material for the history of modern physics, pertaining in particular to the early development of quantum mechanics and the life and career of Niels Bohr. News, collections, library, publications and seminars.

Cold War International History Project Electronic Bulletin
Includes two articles related to Bohr and Soviet espionage.

PBS: A Science Odyssey: People and Discoveries: Niels Bohr
Short biographical article.

Triumph of the Copenhagen Interpretation
Part of exhibit on Werner Heisenberg and the uncertainty principle.

The MacTutor History of Mathematics Archive
Biographical article, including pictures and references.

Eric Weisstein's World of Scientific Biography: Bohr, Niels (1885-1962)
Articles on the scientist and the Copenhagen interpretation.

Royal Danish Embassy
Article on his life and work.

MSN Learning & Research Plus: Bohr, Niels Henrik David
Short encyclopedia biographical article.

Timeline of Nobel Winners: Niels Henrik David Bohr
Brief biographical article.

Wikipedia: Niels Bohr
Short article about his work.

The Nobel Prize in 1922
For investigations of the structure of atoms and their radiation. Includes biography and presentation speech.