Dale, Richard. African Insurgency and German and South African Counterinsurgency in Namibia in 1904-1907 and 1922: Legacies for African Nationalism and Protracted Guerrilla Warfare.

“Dale, Richard. African Insurgency and German and South African Counterinsurgency in Namibia in 1904-1907 and 1922: Legacies for African Nationalism and Protracted Guerrilla Warfare.,” African Ephemera Collection, accessed November 14, 2025, https://collections.libraries.indiana.edu/africancollections/items/show/3672.