* Sol Plaatje, Native Life in South Africa: Chapter XXIII — The Boer Rebellion* 90th anniversary of German defeat in South-West Africa from the Great War Society* Chronology of Events in the Defense of the Portuguese African Colonies, 1914–1920 (in Portuguese)
* Sol Plaatje, Native Life in South Africa: Chapter XXIII — The Boer Rebellion* 90th anniversary of German defeat in South-West Africa from the Great War Society* Chronology of Events in the Defense of the Portuguese African Colonies, 1914—1920