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FOX, Margalit. Arthur R. Jensen, Who Set Off Debate on I.Q., Dies. The New York Times. 2012-11-01. Dostupné online [cit. 2020-01-13]. ISSN0362-4331. (anglicky)
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Wayback Machine. web.archive.org [online]. 2010-04-01 [cit. 2020-01-13]. Dostupné v archivu pořízeném z originálu dne 2010-04-01.
FOX, Margalit. Arthur R. Jensen, Who Set Off Debate on I.Q., Dies. The New York Times. 2012-11-01. Dostupné online [cit. 2020-01-13]. ISSN0362-4331. (anglicky)
HILBERT, Richard A.; FLEW, Anthony. Sociology, Equality, and Education: Philosophical Essays in Defense of a Variety of Differences.. Contemporary Sociology. 1977-11, roč. 6, čís. 6, s. 723. Dostupné online [cit. 2020-01-12]. ISSN0094-3061. DOI10.2307/2066387.