By Thomas Clarkson

This book details the efforts and challenges faced by Thomas Clarkson and others in the abolition of the African slave trade by the British Parliament from 1768 to 1807. Clarkson traveled extensively to gather evidence against the slave trade, facing significant difficulties and opposition. Various committees were formed across the UK to support the abolition cause, including those in Poole, Bristol, and Manchester. The committee published numerous works to educate and mobilize public opinion against the slave trade.

British Parliament. Read-Me.Org Classic Reprint. 2024 (1808). 592p.

A Modern Slavery By Henry W. Nevinson

This book, first published in 1906 provides a factual account of slavery in the Portuguese colony of Angola. Nevinson describes the brutal conditions of slavery, the slave trade routes, and the impact on African societies, emphasizing the inhumanity and suffering caused by the slave trade.The book mentions the work of missionaries in Africa, highlighting their efforts to provide education, medical care, and a message of peace, despite the challenges posed by colonial exploitation. The author  criticizes the Portuguese colonial system for perpetuating slavery and forced labor, particularly in the cultivation of cocoa on the islands of San Thome and Principe, leading to widespread suffering and death among the enslaved population.

Knopf Doubleday Publishing Group, 1968 - 252 pages