- FundosA1138 - James Charles Napoleon Humphreys, Mining papers
- SériesGGG - Associations
- Pasta/Processo2430 - The Prospectors Association
- Pasta/Processo2431 - Geological Survey of South Africa
- Pasta/Processo2432 - Transvaal Mine Managers Association
- Pasta/Processo2433 - South African Chemical Institute
- Pasta/Processo2434 - Johannesburg Stock Exchange
- 15 mais...