Götze, Heinz
Castel del Monte : geometric marvel of the Middle Ages
Prestel, 1998
 Buku Teks SO
Götze, Heinz
Castel del Monte : geometric marvel of the Middle Ages
Prestel, 1998
 Buku Teks SO
Sakamoto, Taro
Japanese Emperor through history / Taro, Sakamoto
The International Society for Educational Information, 1984.
 Buku Teks
Symons, Julian
Charles Dickens
Arthur Barker, 1951
 Buku Teks
Fielding, K.J.
Charles Dickens
Longman, Green, 1953
 Buku Teks