Parallel Anthology Track 26
Track 26: The Masked Marvel - Mississippi Boweavil Blues Paramount 12805B; Recorded in Richmond, Indiana, 14.6.1929
The record label credits authorship of this work to "Patton" (just visible in the full size image). "The Masked Marvel" was an alias of delta blues legend Charley Patton, who died in 1934 (info from wikipedia).
www.78discography.com also credits Patton.
This composition has therefore been public domain since 1st January 2005.
The Boll Weevil by Amy Pridemore recorded in 1959: Max Hunter Collection