Looking back in envy
Jan Kaplicky
Chichester, 2001
 Buku Teks
Tunku Abdul Rahman Putra Al-Haj
Looking back : monday musings and memories
MPH Group Publishing Sdn Bhd, 2011
 Buku Teks
Tunku Abdul Rahman Putra Al-Haj
Looking Back: monday musings and memories
MPH Group Printing, 2011
 Buku Teks
Looking back : 30 years later
 Artikel Jurnal
Ker, W.P. (William Paton), 1855-1923
Medieval English literature
Oxford University Press, 1948
 Buku Teks