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