Yim, Seock Jae
Stone, walls and paths : a study of Korean architecture
Ewha Womans University Press, 2005
 Buku Teks SO
Badcock, Sarah
A prison without walls?: Eastern Siberian exile in the last years of tsarism
Oxford University Press, 2016
 eBooks
Brecher, Michael
Nehrus Mantle: the politics of succession in India
Frederick A. Praeger, 1966
 Buku Teks SO
Pálossy, László, 1928-
Earth walls
Akadémiai Kiadó, 1993
 Buku Teks SO
Forsh, Olga
Palace and Prison
Foreign Languages Publishing House, [date of publication not identified]
 Buku Teks