1. William Stern: 1871–1938;Allport;The American Journal of Psychology,1938
2. Traits revisited;Allport;American Psychologist,1966
3. Philosophical foundations of neuroscience;Bennett,2003
4. A reappraisal of Wilhelm Wundt;Blumenthal;American Psychologist,1975
5. A history of civilization in England;Buckle,1857