edited by John Halligan
Edward Elgar, 2003
Buku Teks
editor, Andrew Massey
Edwar Elgar, 2011
Buku Teks
edited by Michael Gorman, Paul W. Winkler
American Library Association, 1978
Buku Referensi
Radin, Max
St Paul Minn, 1936
Buku Teks
Eder, Phanor J., author
New York University press, 1950
Buku Teks