Morel, E. D. <i>The Crisis In the Campaign Against Congo Misrule: the Congo "system", What it Is, What it Necessitates, the Forces Bent Upon Perpetuating it Under the Belgian Flag : with Tables Shewing the Governing Principles and Taxation Imposed In the British, French and German African Dependencies, and On the Conggo Respectively.</i> Liverpool: Congo Reform Association, 1907.