AMDigital Reference: Graff 3946 v.1
Collection: Everett D. Graff Collection of Western Americana
Map from My early travels and adventures in America and Asia (Graff 3946).
Title from publisher's website.
Electronic reproduction. Marlborough, Wiltshire : AM, 2008. Digitized from a copy held by The Newberry Library, Chicago.
The Newberry Library