""The Negro in Pennsylvania: Slavery, Servitude, Freedom, 1639-1861"" by Edward Raymond Turner is a historical account of the experiences of African Americans in Pennsylvania from the early colonial period to the onset of the Civil War. The book covers the period of slavery in Pennsylvania, which began in 1639 and continued until the gradual abolition of slavery in the state in the early 19th century. The author explores the various forms of slavery...