Visiting the Niels Bohr Library & Archives

Access to our collections

We are open to the public and offer free wi-fi for our users. We are located in College Park, Maryland, near the University of Maryland campus and the Archives II building of the National Archives.

Use of all unpublished collections requires an approved Access Application. A few of the collections have had special limitations placed on their availability for examination and/or publication. All restrictions can be found in our catalog records and our staff is available to help guide you.

Collections available

Books and Serials – over 17,000 titles including physical science monographs, textbooks, laboratory manuals, instrument catalogs, and published correspondence. The library also holds complete runs of all the journals published by AIP.

Archival Collectionsofficial repository of AIP and its ten member societies. We also hold a few collections of personal papers along with the following:

Oral History Interviewsincludes over 3,000 hours of interviews with over 1,500 physicists and allied scientists

Manuscript Biographies/Biographical Files – unpublished biographies and biographical material of major physicists

Institutional Histories – detailed descriptions of a department, laboratory, school, or company, both published and unpublished

Miscellaneous Physics – small, folder-sized, non-biographical donations that can include manuscripts, reprints, reports, lecture notes, copies of third-party letters or other archival material that is not part of a larger collection

Audio Visual – a small collection of films and other moving images along with various audio recordings both commercially and privately produced

Emilio Segrè Visual Archivesover 30,000 historical images, photographs, slides, lithographs, engravings, drawings, and other visual materials

Digital loans and reference services

Researchers with approved Access Applications can request limited amounts of materials if they are not able to visit the library & archives in person. Materials will be scanned and emailed to you ($0.20 per page plus $40 an hour after the first half hour). Paper loans are also available upon request.

If needed, the staff can conduct searches of the databases, provide information on photographs, and further assist with research requests. Staff provides reference assistance for up to one-half hour per inquiry; more in-depth research is optional and is charged at $40 per hour.

To submit an inquiry please contact us by nbl [at] (email), mail, telephone, or fax using the information on our home page.