1. A re-examination of the 1929 colonial development act;Economic History Review,1971
2. Amery, L. (1925a), “Speech to the Royal Colonial institute on 2/10/1925”, Unpublished Manuscript, Leopold Amery Papers, Record series AMEL 1/4/12, Churchill Archives Centre, Cambridge.
3. Amery, L. (1925b), “Speech on ‘Inter-imperial trade at annual Luncheon of the British imperial council of commerce on 6/10/1925”, Unpublished Manuscript, Leopold Amery Papers, Record series AMEL 1/4/12, Churchill Archives Centre, Cambridge.
4. Amery, L. (1927a), “Speech to Bulawayo club dinner on 8/8/1927”, Unpublished Manuscript, Leopold Amery Papers, Record series AMEL 1/4/13, Churchill Archives Centre, Cambridge.
5. Amery, L. (1927b), “Speech to the imperial chamber of commerce, 6/21/1927”, Unpublished Manuscript, Leopold Amery Papers, Record series AMEL 1/4/12, Churchill Archives Centre, Cambridge.