These are the never-before-seen faces of slavery and Emancipation, revealing families' lives before and after they were freed.
The images themselves played a key part in allowing the men, women and children freedom - being distributed through the northern states as propaganda during the push for abolition, and employed by former slaves to showcase their new images.
More than 150 of the photographs feature in a new book, Envisioning Emancipation, which has been published to coincide with the 150th anniversary of the Emancipation Proclamation of 1863 on January 1.
Following the Emancipation Proclamation in 1863, the use of photography evolved - eventually being used by black men and women to show off their new, postslavery looks and to portray their hopes of freedom.
Subsequently, the book, which was published earlier this month, shows how photography was central in the war against slavery, racism and segregationREAD MORE