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Archivistische beschrijving
James Charles Napoleon Humphreys, Mining papers Reeks
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Oil Etc
Oil Etc
Emeralds
Emeralds
Assorted Minerals
Assorted Minerals
Manganese
Manganese
Iron and Steel
Iron and Steel
Nyasaland
Nyasaland
Bechuanaland
Bechuanaland
South West Africa
South West Africa
Orange Free State
Orange Free State
Zululand
Zululand
Resultaten 41 tot 50 van 80