Thans guys.
No, it's definitely not the song by Blind Boy Fuller (or by Cephas and Wiggins).
I've found a song with those lyrics and title on youtube (Clarence Howard & Fred Price - Richmond Blues), which is a totally different song.
This is the song (3rd track of side 2):
https://www.youtube.com/watch?v=WsqTkkUzH5w
--Carlo