In the introduction to The Crime of the Congo Conan Doyle wrote: "I am convinced that the reason why public opinion has not been more sensitive upon the question of the Congo Free State is that the terrible story has not been brought thoroughly home to the people," a situation he intended to rectify.

The Crime of the Congo 2017, Createspace Independent Publishing Platform

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The Crime of the Congo 2016, Wentworth Press

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The Crime of the Congo 2016, Wentworth Press

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The Crime of the Congo 2016, Wentworth Press

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The Crime of the Congo 2016, Wentworth Press

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The Crime of the Congo 2016, Wentworth Press

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The Crime of the Congo 2016, Wentworth Press

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The Crime of the Congo 2015, Andesite Press

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The Crime of the Congo 2015, Createspace Independent Publishing Platform

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The Crime of the Congo 2015, Createspace Independent Publishing Platform

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The Crime of the Congo 2014, Createspace Independent Publishing Platform

ISBN-13: 9781505622492

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The Crime of the Congo 2013, Createspace

ISBN-13: 9781484824085

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The Crime of the Congo 2012, Rarebooksclub.com, Miami FL

ISBN-13: 9781151431011

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The Crime of the Congo... 2012, Nabu Press, Charleston SC

ISBN-13: 9781277572056

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The Crime of the Congo 2012, Createspace Independent Publishing Platform

ISBN-13: 9781481265386

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The Crime of the Congo 2010, Nabu Press, Charleston SC

ISBN-13: 9781146920698

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The Crime of the Congo 2010, Nabu Press, Charleston SC

ISBN-13: 9781177692731

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The Crime of the Congo 2007, Aegypan

ISBN-13: 9781603121668

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The Crime of the Congo 2007, Aegypan

ISBN-13: 9781603128483

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The Crime of the Congo 2004, University Press of the Pacific, Miami

ISBN-13: 9781410213600

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