Belgian Congo 6143 1. Newspaper cuttings (1930-36). 2. Correspondence with Bruedo and Uvarov (1932-38). 3. Reports A-MM, A-P, A-X (1931-36). 4. Reports 6143-1: 6143-186 (1931-48). 5. Report 6143 S/1 (1946). 6. Reports 6143 L/1-L/3 (1947-48). 7. Reports 13, 14, 17, 18, 19, 21 (1946). 8. Reports 6143/1: 6143/85 (1947-56). 1930-1956