found: Author's Die subjektiwiteitsmotief in die wysgerige denke vanaf Plato ... 1972.
found: Die ANC, 1990: t.p. (Willie Esterhuyse) p. 4 of cover (hoogleraar in filosofie, Univ. van Stellenbosch)
found: World of learning, 1990: p. 1108 (W. P. Esterhuyse, on faculty of philosophy, Univ. of Stellenbosch)
found: SANB 89 (hdg.: Esterhuyse, W. P. (Willem Petrus), 1936-; usage: Willie Esterhuyse)
found: SANB correspondence with author, Feb. 3, 1973 (full name: Esterhuyse, Willem Petrus; b. Aug. 19, 1936)
found: Stellenboschwriters WWW site, Mar. 8, 2011: Willie Esterhuyse (Willem Petrus Esterhuyse; author of academic publications on philosophy and socio-politics; Professor of Philosophy at Stellenbosch University, 1974-2002; currently a part-time professor of Business Ethics, Graduate School of Business, Stellenbosch University and a part-time lecturer of Executive Management Programmes, Graduate School of Business, University of Cape Town) {http://www.stellenboschwriters.com/esterhuisew.html}
Esterhuyse, W. P.
