Press, Frank
Earth
W H Freeman , 1974
 Buku Teks
Treasures of the Shosoin
Asahi Shimbun Publishing, 1965
 Buku Referensi
Rare treasures of the gyunggak collection
 Artikel Jurnal
Saving family heirlooms and treasures
 Artikel Jurnal
Clark, Michael
Cultural treasures of the internet
Prentice-Hall, 1995
 Buku Teks SO