History of the Negro Race in America From 1619 to 1880. Vol 1

English, Volume 1, Pages 1149. Reprinted in 2015 with the help of original edition published long back[1882].

The perspective of the 1870s that the "negro" race has to be civilized makes this a difficult book to read. But the great detail on colonial and revolutionary war slavery, including many extensive original documents in the footnotes" made it worth the effort