University of Groningen
American History: Essays: The Original 13th Amendment
Links to essays that debates the validity of the original 13th Amendment.
US National Archives
Our Documents: 13th Amendment to the u.s. Constitution: Abolition of Slavery
Take a look at an image of the constitutional amendment that put an end to slavery in the United States. Interactive image is accompanied by an overview of the amendment's inception and adoption, as well as document transcript.