LaVere 2011, pp. 24, 25. LaVere, Stephen (2011). Robert Johnson: The Centennial Collection (Box set booklet). Robert Johnson. New York City: Columbia Records. OCLC1012032220. 88697-85907-2.
LaVere 2011, pp. 20–21. LaVere, Stephen (2011). Robert Johnson: The Centennial Collection (Box set booklet). Robert Johnson. New York City: Columbia Records. OCLC1012032220. 88697-85907-2.