J. Beckwith

The XYY male: the making of a myth.

L. Miller, J. Beckwith, 1976, Harvard magazine.

The XYY syndrome: a dangerous myth.

J. Beckwith, J. King, 1974, New scientist.

Special Supplement: The XYY Controversy: Researching Violence and Genetics

P. Wachtel, A. Caplan, R. Pyeritz, 1980 .

Harvard XYY study.

J. Beckwith, 1975, Science.