A School History of the Negro Race in America: From 1619 to 1890, With a Short Introduction as to the Origin of the Race, Also a Short Sketch of Liberia. E-book. Formato PDF Edward A. Johnson   -  Forgotten Books, 2017  - 

Ancient Cities Discovered in the very heart of Africa, having well laid off streets, improved wharfs, and conveniences for trade, connect these people with a better condition in the past than now. While many of the native Africans are desperately savage, yet in their poor, degraded condition it is the unani mous testimony of missionaries and explorers that many of these people have good judgment, some tribes have written languages, and show skill in weaving cloth, smelting and refining gold and iron and making implements of'war.