Ladikos, Anastasios; South African Society for Greek Philosophy and the Humanities(South African Society for Greek Philosophy and the Humanities, 2005)
South African Society for Greek Philosophy and the Humanities; Botha, Catherine Frances(South African Society for Greek Philosophy and the Humanities, 2001)
South African Society for Greek Philosophy and the Humanities; Van der Westhuizen, Jacob(South African Society for Greek Philosophy and the Humanities, 2005)