1. Anthony EJ. Introduction: The syndrome of the psychologically vulnerable child. In: Anthony EJ, Koupernik C, editors. The child in his family: Children at Psychiatric Risk, vol. 3. New York: Wiley; 1974. p. 3–10.
2. Garmezy N. Vulnerability research and the issue of primary prevention. Am J Orthopsychiatry. 1971;41:101–16.
3. Garmezy N. The study of competence in children at risk for severe psychopathology. In: Anthony EJ, Koupernik C, editors. The child in his family: Children at Psychiatric risk: III. Wiley; New York: 1974. p. 547.
4. Murphy LB, Moriarty A. Vulnerability, coping, and growth: From infancy to adolescence. New Haven, CT: Yale University Press; 1976.
5. Rutter M. Protective factors in children’s responses to stress and disadvantage. In: Kent MW, Rolf JE, editors. Primary prevention in psychopathology: Social competence in children, vol. 8. NH: University Press of New England; Hanover; 1979. p. 49–74.