- FondsA1138 - James Charles Napoleon Humphreys, Mining papers
- SeriesF - East Rand Producers
- File227 - New State Areas
- File227a - Folder content
- Item227.1 - Underground workings
- Item227.2 - Underground workings
- Item227.3 - Underground workings
- Item227.4 - Underground workings
- Item227.5 - Underground workings
- 6 more...