Embassy of Denmark: Niels Bohr
- Article on his life and work.
- http://www.ambwashington.um.dk/en/menu/InformationaboutDenmark/EducationandTraining/FamousDanishScientists/NielsBohr.htm

ESVA: Bohr Mini-Exhibit
- Pictures from Emilio Segrè Visual Archives.
- http://photos.aip.org/exhibits/bohr.jsp

Cold War International History Project Electronic Bulletin
- Includes two articles related to Bohr and Soviet espionage.
- http://www.wilsoncenter.org/index.cfm?topic_id=1409&fuseaction=topics.publications&group_id=15143

The Nobel Prize in 1922
- For investigations of the structure of atoms and their radiation. Includes biography and presentation speech.
- http://nobelprize.org/physics/laureates/1922/

Wikipedia: Niels Bohr
- Short article about his work.
- http://en.wikipedia.org/wiki/Niels_Bohr

MSN Encarta: Bohr, Niels Henrik David
- Short encyclopedia biographical article.
- http://encarta.msn.com/encnet/refpages/RefArticle.aspx?refid=761576813

Eric Weisstein's World of Scientific Biography: Bohr, Niels (1885-1962)
- Articles on the scientist and the Copenhagen interpretation.
- http://scienceworld.wolfram.com/biography/BohrNiels.html

The MacTutor History of Mathematics Archive
- Biographical article, including pictures and references.
- http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Bohr_Niels.html

Triumph of the Copenhagen Interpretation
- Part of exhibit on Werner Heisenberg and the uncertainty principle.
- http://www.aip.org/history/heisenberg/p09.htm

PBS: A Science Odyssey: People and Discoveries: Niels Bohr
- Short biographical article.
- http://www.pbs.org/wgbh/aso/databank/entries/bpbohr.html

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.
- http://www.nba.nbi.dk/

NBI History
- Describes his work at the institute for theoretical physics at the Copenhagen university, lated renamed Niels Bohr Institute.
- http://www.nbi.dk/nbi-history.html