* The Woody Guthrie Foundation and Archives* "Woody Guthrie and the Archive of American Folk Song: Correspondence, 1940–1950", Library of Congress, American Folklife Center.
==External links==* The Woody Guthrie Center* The Woody Guthrie Foundation and Archives* "Woody Guthrie and the Archive of American Folk Song: Correspondence, 1940–1950", Library of Congress, American Folklife Center.