Bibb, Henry (1815-1854). Henry Bibb to John Calkins regarding how his money was used for fugitive slaves. [Correspondence]. At: Place: The Gilder Lehrman Institute of American History. GLC06834. Available through: Adam Matthew, Marlborough, American History, 1493-1945. http://www.americanhistory.amdigital.co.uk/Documents/Details/GLC06834 [Accessed November 29, 2022].
A fluid frontier : slavery, resistance, and the Underground Railroad in the Detroit River borderland. Karolyn Smardz Frost, Veta Smith Tucker, David W. Blight. Detroit. 2016. ISBN978-0-8143-3959-6. OCLC939922253.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)