Radiation--Health aspects--United States

Collection consists of a folder of material related to Herman M. Kalckar's work on an international milk teeth radiation census, described in his article, "An International Milk Teeth Radiation Census" (Nature, August 1958 (182, pp. 283-284)). Collection contains reprinted publications, reports, unpublished manuscripts, correspondence, and one human tooth.

Contracts and proposals; correspondence; minutes; presentation files; project and research files; reports and publications; air and water test sample results; work plans and budgets; photographic and audiovisual material; etc.; of Silent Spring Institute's work on the Cape Cod Breast Cancer and Environment Study, the Newton Breast Cancer Study, and Long Island, New York Breast Cancer Study.