Unpublished materials - includes theses, drafts and documents in the possession of the author. on the arms race, the H-bomb, and the Oppenheimer Case.

Bethe, Hans. “Memorandum on the History of Thermonuclear Program,” May 28, 1952 (assembled from redacted versions by Chuck Hansen 5/12/90).


________Letter to Gordon Dean, Sept. 9, 1952, suggesting postponement of Mike shot.


Fitzpatrick, Anne, “Igniting the Light Elements: The Los Alamos Thermonuclear Weapons Project, 1942-1952,” dissertation, Virginia Polytechnic Institute, June 1998.


Francis, Sybil, “Warhead Politics: Livermore and the Competitive System of Nuclear Weapon Design,” MIT dissertation, 1995.


Lansdale, John, Jr. Military Service Record of John Lansdale, Jr., privately published, 1987.


Los Alamos Science, No. 7, Winter/Spring 1983 (40th anniversary issue).


Los Alamos Science, No. 15, 1987 (spccial issue devoted to life and work of Stanislaw Ulam).


Mark, Carson, LA-5647-MS, “A Short Account of Los Alamos Theoretical Work on Thermonuclear Weapons, 1946–1950,” LASL 1974, (Los Alamos National Laboratory Archives).


Norberg, Arthur L, editor and interviewer. Oral history interviews with Norris E. Bradbury, Darol K. Froman, John H. Manley, J. Carson Mark, and Raemer E. Schreiber on work of Los Alamos National Laboratory 1945-1960, sponsored by History of Science and Technology Program of University of California, Berkeley (Bancroft Library).


Oppenheimer, J. Robert, Speech at meeting of the Association of Los Alamos Scientists, Nov. 2, 1945.


________Speech at Seven Springs Farm, N.Y. June, 1963 (JRO papers, Library of Congress).


Schilling, Warner. “Interview with Robert Oppenheimer,” June 12, 1957 (JRO papers, Library of Congress).


"Teller Reply to Bethe H-Bomb Chronology," Aug. 27, 1952 , compiled by Chuck Hansen from redacted versions, Feb. 12, 1991. (John S. Walker to file, Aug. 27, 1952, JCAE doc.)


Ulam, Francoise. "Stanislaw Ulam, 1909-1984: A Biographical Profile" (Niels Bohr Library, American Institute of Physics).


Ulam, Stanislaw. Letter to Hans Bethe, Oct. 29, 1954, describing evolution of H-Bomb concept.


________Letter to Glenn Seaborg, March 16, 1962.


Weisskopf, Victor F. “Banquet Speech at the Fortieth Anniversary Conference of the Los Alamos National Laboratory,” April 15, 1983.