“Castle Tower (Tenshukaku).” Japanese Castles, 2019, www.japan-guide.com/e/e2296.html
“Himeji Castle.” HIMEJI CASTLE, Columbia University, www.columbia.edu/itc/ealac/V3613/himeji/tpage.html
International, American. “Types of Castle and The History of Castles.” Types and History of
Castles - Japanese Castles,
www.castlesandmanorhouses.com/types_07_japanese.htm.
Japan: an Illustrated Encyclopedia. Kodansha, 1993.
Leonare, Jonathan Norton. Great Ages of Man Early Japan. Time Life, 1974.
Lloyd, Seton, and Henry Russell Hitchcock. World Architecture: an Illustrated History. Edited by
Trewin Copplestone, McGraw-Hill, 1963.
“Nijo Castle (Nijojo)•• Former Kyoto Residence of the Shogun.” Kyoto Travel: Nijo Castle
(Nijojo), www.japan-guide.com/e/e3918.html.
“Nijo Castle.” The Kyoto Project, thekyotoproject.org/english/nijo-castle/.
Orientalarchitecture.com. “Nijō Castle - 二条城, Kyoto, Japan.” Asian Architecture,
www.orientalarchitecture.com/sid/212/japan/kyoto/nijo-castle.
“Osaka Castle (Osakajo)• Reconstruction of the Large Castle.” Osaka Travel: Osaka Castle
(Osakajo), 17 Apr. 2018, www.japan-guide.com/e/e4000.html.
“Osaka Castle.” 大阪城天守閣, 2019, www.osakacastle.net/english/.
Temple. “Nijo-Jo Castle.” Kyoto Travel Guide , kyoto.travel/en/shrine_temple/119.
Turnbull, Stephen R. Strongholds of the Samurai: Japanese Castles 250-1877. Osprey, 2009.