Parallel Anthology Track 50
Track 50: Reverend Moses Mason - John the Baptist Paramount 12702-A; Recorded in Chicago, January 1928
The Old Weird America blog states that this song "seems to derive from an old Spiritual called 'John Done Saw That Number'".
There seems to be no other information available about the origins of this composition, so its copyright status is unknown.
The Old Weird America blog provides streams for two versions of John Done Saw That Number, one from the 1920s, and one from 1939.
John Said He Saw a Number by Arizona Dranes recorded in 1926 according to BL catalogue: Spotify Trad according to BL catalogue.