Philipp Melanchthon: Die denker, leermeester en opvoeder van die Reformasie2022 Published, HTS Religion & Society Series, Ignatius W.C. van Wyk, Theological and Religious Studies
Martin Luther: ‘n Inleiding tot sy lewe, denke en geskrifte2019, HTS Teologiese Studies / Theological Studies Supplement (HTS) Supplementum, Ignatius W.C. van Wyk, Theological and Religious Studies
Nadenke oor 500 jaar se Reformatoriese teologie2017, HTS Religion & Society Series, HTS Teologiese Studies / Theological Studies Supplement (HTS) Supplementum, Ignatius W.C. van Wyk, Theological and Religious Studies
