Years Working – Anti-Slavery and Aborigines Protection Society, London 1925 Slavery or Sacred Trust – Williams & Norgate, London 1926 Freeing the Slaves – Anti-Slavery and Aborigines Protection Society, London 1926 A Century of Emancipation – J M Dent & Sons, London 1933 Harris's unpublished autobiography can be found at the Oxford University Colonial Records Project, ref: Mss Brit Emp. S/353. References External links 1874 births 1940 deaths Baptist abolitionists Baptist missionaries in the Democratic Republic of the Congo British expatriates in the Democratic Republic of the Congo Congo Free State people English abolitionists English Baptist missionaries Hackney Members of Parliament Knights Bachelor Liberal Party (UK) MPs for English constituencies People from Wantage UK MPs 1923–1924