Feynman, Richard Phillips
The pleasure of finding things out : the best short works of Richard P. Feynman
Perseus Books, 1999
Buku Teks SO
Reinfeld, Fred
Treasures of the earth
Sterling, 1954
Buku Teks
Treasures of the Shosoin
Asahi Shimbun Publishing, 1965
Buku Referensi
Poems for pleasure
edited by Herman M. Ward
Hill and Wang, 1963
Buku Teks SO
Rare treasures of the gyunggak collection
Artikel Jurnal