- FondsAD2533 - South African Institute of Race Relations, Collection of publications
- SeriesC1 - Challenge - An Independent Review edited by Catholic Laymen
- SubseriesC1.1 - Challenge - An Independent Review edited by Catholic Laymen, Volume 3, Number 1
- SubseriesC1.2 - Challenge - An Independent Review edited by Catholic Laymen, Volume 4, Number 2
- SubseriesC1.3 - Challenge - An Independent Review edited by Catholic Laymen, Volume 5, Number 1
- SubseriesC1.4 - Challenge - An Independent Review edited by Catholic Laymen, Volume 6, Number 1