'... the Sixteen Personality Factor Questionnaire, developed by R.B. Cattell, H.W. Eber and M.M. Tatsuoka ... [was] published by the Institute for Personality and Ability Testing in the United States ... the 1968 editions of Forms A and B were amended in terms of item content by the N.F.E.R. Publishing Company during 1970.' - Introduction.
The British standardisation of the 16PF supplement of norms, forms A and B by Peter Saville. ISBN 0700500065. Published by N.F.E.R. Publishing Co. Ltd in 1972. Publication and catalogue information, links to buy online and reader comments.