On this topic, one might also consider the
the Lawrence Gellert recordings
    https://www.youtube.com/watch?v=PTBSd-vCx-g
and books
Negro Songs of Protest
Me And My Captain

Conforth: African American Folksong and American Cultural Politics: The Lawrence Gellert Story

https:https://umpressopen.library.umass.edu/projects/a-sound-history//www.goodreads.com/en/book/show/17321441

A reference which appears on many country/rural blues
Going to the Territory / Nation.
A reference to the Oklahoma territory.

The Red Man and The Blues by Max Haymes
https://www.earlyblues.com/Essay%20-%20The%20Red%20Man%20and%20The%20Blues%20-%20Chapter%204.htm

Going to the Nation: The Idea of Oklahoma in Early Blues Recordings
Chris Smith
Popular Music Vol. 26, No. 1,
Special Issue on the Blues in Honour of Paul Oliver (Jan., 2007), pp. 83-96 (14 pages)
Published By: Cambridge University Press


Thomas.