Coal in Portuguese East Africa

• ZA HPRA A1138-SSS-2883
• File

Part of James Charles Napoleon Humphreys, Mining papers

Chicoa Silver Mines - Portuguese East Africa

• ZA HPRA A1138-SSS-2882
• File

Part of James Charles Napoleon Humphreys, Mining papers

Beira- Mozambique- Portuguse East Africa

• ZA HPRA A1138-SSS-2881
• File

Part of James Charles Napoleon Humphreys, Mining papers

Portuguese East Africa - Gazaland-Zambezi-Mozambique-Inhambane-Nyassa (Niassa)

• ZA HPRA A1138-SSS-2880
• File

Part of James Charles Napoleon Humphreys, Mining papers

Mozambique Co.(Companhia da Mocambique.)

• ZA HPRA A1138-SSS-2887
• File

Part of James Charles Napoleon Humphreys, Mining papers

Mozambique - Portuguese East Africa

• ZA HPRA A1138-SSS-2886
• File

Part of James Charles Napoleon Humphreys, Mining papers

Willoughby's Consolidated Co., Ltd.

• ZA HPRA A1138-TTT-2974
• File

Part of James Charles Napoleon Humphreys, Mining papers

Salisbury Chamber of Mines

• ZA HPRA A1138-TTT-2973
• File

Part of James Charles Napoleon Humphreys, Mining papers

Salisbury Board of Executors, Ltd.

• ZA HPRA A1138-TTT-2972
• File

Part of James Charles Napoleon Humphreys, Mining papers

Rhodesian Small Workers and Tributosrs Association

• ZA HPRA A1138-TTT-2971
• File

Part of James Charles Napoleon Humphreys, Mining papers