Crowe, Jonathan
Edward Elgar, 2013
Buku Teks
Crawford, Emily
Cambridge University Press , 2015
Buku Teks
edited by Jean-Marie Henckaerts and Louise Doswald-Beck
Cambridge University Press, 2005
Buku Teks
Kolb, Robert
USA Edward Elgar, 2014
Buku Teks
Solis, Gary D.
Cambridge University Press, 2016
Buku Teks