1. BS3 (A1/1/15): letter from the HC in Pretoria to the Administrator of Northern Rhodesia, 26 September 1914.
2. BS3 (A1/1/36/171): Minute no. 1795 11 November 1918.
3. BS3 (A1/1/36/171): Record of meeting of chiefs and headmen at Abercorn, 13 May 1919.
4. BS3 (A2/3/3/793/198): confidential letter from Wallace to the Secretary of the BSAC, 23 June 1916.
5. BS3 (A2/3/4): Confidential letter of Draper, Abercorn to the Administrator in Livingstone, 19 October 1916.