1. MAUC – Folder 86C, 2-1 ${\text{} }^{\circ } $ , A. Borges, ‘RSTI’ (1950).
2. MAUC – Dr David, ‘AHR, 1960’ (1960).
3. Although these practices were not legally condoned, they were widely accepted. MAUC – Folder MOI 86B-1 ${\text{} }^{\circ } $ ; Carlos Borges Sousa, ‘Confidential Letter-report’ (31 March 1951).
4. MAUC – Folder 86 18 ${\text{} }^{\circ } $ , Letter from Ernesto de Vilhena to Vasco Alves (14 December 1929), 6.
5. Interview, Felipe Leo Muatxissupa, Lunda (Angola) (15 August 2005).