Gregor Gall, Adrian Wilkinson, Richard Hurd, editor
Edward Elgar, 2011
Buku Teks
edited by Gunther Schmid, Jacqueline O'Reilly and Klaus Schomann
Edward Elgar, 1996
Buku Referensi
Harari, Ehud
University of California Press, 1973
Buku Teks
edited by Barbara J. Fick
Edward Elgar Publishing, 2015
Buku Teks
Pirie, Lain, author
Routledge, 2008
Buku Teks