Parallel Anthology Track 53
Track 53: The Carter Family - Little Moses Victor 40110; Recorded in Camden, New Jersey, 14.2.1929
Record label accredits authorship to "A P Carter", as does Harry Smith's Anthology Booklet, while Noah Lewis victor.library.ucsb.edu credits "A P Carter" as composer and "G R Street" as arranger. However,  does not assign authorship.
According to wikipedia, A P Carter died in 1960, while no information on "G R Street" is available, which would put this composition in copyright until at least 1st January 2031.
Parallel anthology main index page
Little Moses by Mrs. Iva Haslett recorded in 1958: Max Hunter Collection