Grote, M.; Schoeman, N.J. (Nicolaas Johannes); Truu, M.L.; Van Heerden, J.H. (Jan Horn), 1957-; Van Tonder, Jurie J.(Faculty of Economic and Management Sciences, University of Pretoria, 2000-03)
South African Society for Greek Philosophy and the Humanities; Gericke, J.D. (John Daniel)(South African Society for Greek Philosophy and the Humanities, 2000)