Folder content, Part 1

• ZA HPRA A1138-F-220-220a-220a.1
• Parte

Parte de James Charles Napoleon Humphreys, Mining papers

Folder content, Part 4

• ZA HPRA A1138-F-211-211a-211a.4
• Parte

Parte de James Charles Napoleon Humphreys, Mining papers

Folder content, Part 1

• ZA HPRA A1138-F-213-213a-213a.1
• Parte

Parte de James Charles Napoleon Humphreys, Mining papers

Folder content, Part 1

• ZA HPRA A1138-F-218-218a-218a.1
• Parte

Parte de James Charles Napoleon Humphreys, Mining papers

Folder content, Part 2

• ZA HPRA A1138-F-220-220a-220a.2
• Parte

Parte de James Charles Napoleon Humphreys, Mining papers

Sekukuniland

• ZA HPRA A1138-Q-590
• Pasta/Processo

Parte de James Charles Napoleon Humphreys, Mining papers

Houtpoort Burbaiak Goldfields Ltd. Bloemhof

• ZA HPRA A1138-Z-891
• Pasta/Processo

Parte de James Charles Napoleon Humphreys, Mining papers

Geology of S.W. Transvaal - Holmes

• ZA HPRA A1138-Z-892
• Pasta/Processo

Parte de James Charles Napoleon Humphreys, Mining papers