Mary Wheeler's papers still exist, and here's a "Coonjine, Baby, Coonjine" that didn't make the cut for her essential book _Steamboatin' Days_:
http://digitalcollections.mclib.net/luna/servlet/detail/McCracken~13~13~125~2245:Coonjine,Baby,-Coonjine?qvq=q:coonjine&mi=0&trs=2