Village Deep Ltd.

• ZA HPRA A1138-D-140
• File
• 1929

Part of James Charles Napoleon Humphreys, Mining papers

Simmer and Jack Mines, Ltd.

• ZA HPRA A1138-D-146
• File
• 1930

Part of James Charles Napoleon Humphreys, Mining papers

Modder Deep Levels, Ltd.

• ZA HPRA A1138-F-218
• File
• 1929-1933

Part of James Charles Napoleon Humphreys, Mining papers

Randfontein Estates

• ZA HPRA A1138-A-1
• File
• 1927-1935

Part of James Charles Napoleon Humphreys, Mining papers

New Kleinfontein

• ZA HPRA A1138-F-219
• File
• 1933-1936

Part of James Charles Napoleon Humphreys, Mining papers

West Rand Consolidated

• ZA HPRA A1138-A-2
• File
• 1929-1936

Part of James Charles Napoleon Humphreys, Mining papers

Witwatersrand Nigel Ltd. (H. Hoskel.)

• ZA HPRA A1138-H-312
• File
• 1935-1936

Part of James Charles Napoleon Humphreys, Mining papers

Geduld Prop. Mines, Ltd.

• ZA HPRA A1138-F-226
• File
• 1929-1937

Part of James Charles Napoleon Humphreys, Mining papers

Palmietkuil Gold Mine Ltd.

• ZA HPRA A1138-G-266
• File
• 1936-1937

Part of James Charles Napoleon Humphreys, Mining papers

Daggafontein Mines

• ZA HPRA A1138-F-212
• File
• 1929-1938

Part of James Charles Napoleon Humphreys, Mining papers