(EN) Allen Kent, Harold Lancour e Jay E. Daily, Encyclopedia of Library and Information Science, vol. 11: Hornbook to Information Science and Automation Division (ISAD): ALA, CRC Press, 1974, p. 8, ISBN0824720113. URL consultato l'11 ottobre 2015.
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(EN) H.W. Wilson, Whitney, Elinor, su Junior Book of Authors, search.ebscohost.com, 1951 (Biography Reference Bank). URL consultato il 14 aprile 2015.