South African National Archives, Free State, Camp register @ SCR 86 Orange River CR
- References (9)
- Individual: Johannes Paulus van Blerk
- Individual: Anna Sophia Combrink (van Blerk)
- Individual: Susanna Philipina Botha (van Blerk)
- Individual: Gert Petrus van Blerk
- Individual: Willem Carl van Blerk
- Individual: Anna Sophia van Blerk (van Aswegen)
- Individual: Johanna Paulina van Blerk
- Individual: Maria Elizabeth Magdalena van Blerk
- Individual: Sophia Catharina Wilhelmina van Blerk