Ewen, David, author
H.W. Wilson, 1962
Buku Teks
Ewen, David, author
H.W. Wilson, 1962
Buku Referensi
compiled and edited By David Ewen
H.W. Wilson, 1962
Buku Teks
edited by David Ewen
H.W. Wilson, 1966
Buku Referensi
Murdoch, James
Macmillan, 1972
Buku Teks