William Still 
The Underground Railroad [EPUB ebook] 
The True Story of Hundreds of Slaves Who Escaped Through the Secret Network Formed by Abolitionists and Former Slaves: Narratives, Recorded Testimonies & Letters

‘The Underground Railroad’ chronicles the stories and methods of some 649 slaves who escaped to freedom via the Underground Railroad. Author, William Still included his carefully compiled and detailed documentation about those that he had helped escape into the pages of The Underground Railroad Records.
William Still (1821-1902) was an African-American abolitionist in Philadelphia, conductor on the Underground Railroad, businessman, writer, historian and civil rights activist.