Miscellaneous No.8 (1912), Correspondence Respecting the Treatment of British Colonial Subjects and Native Indians Employed in the Collection of Rubber in the Putumayo District
Apr. 1917: Africa No.1, Further Correspondence Respecting Contract Labour in Portuguese West Africa
Aug. 1918: Union of South Africa, Report on the Natives of South-West Africa and their Treatment by Germany, Prepared in the Administrator's Office, Windhuk, South-West Africa
19 Mar. 1923: Union of South Africa, Report of the Commission Appointed to Enquire into the Rebellion of the Bodelzwarts