- Translation (2000) [EDITED June 2024] of R. A. Kruger (1975): Die betekenis van die begrippe elemetare en fundamenale in die didaktiese teorie en praktyk. Pedagogiekstudies/Pedagogic Studies, No. 86, Pp. 1-87. University of Pretoria. This translation was crafted into article format by R. A. Kruger and George Yonge at the invitation of and with suggestions from Ian Westbury, then editor of The Journal of Curriculum Studies. See published article at georgeyonge.net/node/84