Bate, Weston
Oxford University Press, 1990
Buku Teks
Baldwin, Thomas Whitfield, 1890-, author
The University of Illinois Press, 1943
Buku Teks
Doy, Clemens, author
1991
UI - Tesis Membership
Kerrigan, Michael
Leicestershire Southwater, 2011
Buku Referensi
Hardy, Thomas, 1840-1928, author
Macmillan, 1949
Buku Teks