Van Wyk, Johannes G.U.; Goslin, Anneliese E. (Anna Elizabeth); Steyn, B.J.M. (Barend Johannes Marthinus)(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2007-09)
Steyn, B.J.M. (Barend Johannes Marthinus); Steyn, Margaretha Helena; Maree, David J.F.; Panebianco-Warrens, Clorinda Rosanna(Africa Association for Health, Physical Education, Recreation, Sport and Dance, 2015-06)
South African Society for Greek Philosophy and the Humanities; Boudouris, Konstantine(South African Society for Greek Philosophy and the Humanities, 2000)