Andy Schwartz, Scott Schinder. Icons of Rock: An Encyclopedia of the Legends Who Changed Music Forever, Volume 1. illustrated. ABC-CLIO, 2007. ISBN 978-0-313-33846-5. p. 639. Посетен на 2022-05-09. Page 2, His original status as the King of Rock and Roll has never been seriously challenged, and he's remained a bottomless source of inspiration for the generations of rock and rollers who've taken up the cause in the decades since that July night in Memphis (на английски)