Child, D. (1998). «Obituary: Raymond Bernard Cattell (1905–1998)». British Journal of Mathematical and Statistical Psychology51: 353–357 (see p. 354). doi:10.1111/j.2044-8317.1998.tb00686.x. PMID9854948.
These personality instruments have been available from IPAT, a test publishing company that Cattell and his wife Karen founded (OPP Ltd., Oxford, England is now the parent company of the Institute for Personality and Ability Testing (IPAT) Inc. of Champaign, Illinois).
Russell, M. T. & Karol, D. L. (1994) The 16PF Fifth Edition Administrator's Manual. Champaign, IL: IPAT.[1]
Child, D. (1998). «Obituary: Raymond Bernard Cattell (1905–1998)». British Journal of Mathematical and Statistical Psychology51: 353–357 (see p. 354). doi:10.1111/j.2044-8317.1998.tb00686.x. PMID9854948.