- FondsA1138 - James Charles Napoleon Humphreys, Mining papers
- SeriesJ - Klerksdorp District
- File360 - Klerksdorp District
- File361 - Geology of Klerksdorp
- File362 - Buffelsdoorn Estate & G.M. Co. Ltd. -Buffelsdoorn Tributes, Ltd.
- File363 - Klerksdorp Black Reef
- File364 - Klerksdorp Goldfields Proprietary, Ltd. Onthaven
- 10 more...