^Dupuy, R. Ernest & al. The Harper Encyclopedia of Military History From 3500 B.C. to the Present, 4th ed., p. 193. HarperCollins Pub. (New York), 1993.
^Hollister, C. Warren. The Making of England to 1399, 8th ed., p. 31. Houghton Mifflin Co. (New York), 2001.
^Snow, Dean (2010). Archaeology of Native North America. Upper Saddle River: Prentice Hall. p. 157.
^Encyclopedia of World History, Vol I, p.464 "Three Kingdoms, Korea", Edited by Marsha E. Ackermann, Michael J. Schroeder, Janice J. Terry, Jiu-Hwa Lo Upshur, Mark F. Whitters, ISBN978-0-8160-6386-4
^Dvornik, Francis. The Slavs: Their Early History and Civilization. Boston: American Academy of Arts and Sciences. 1956: 179. The Psalter and the Book of Prophets were adapted or "modernized" with special regard to their use in Bulgarian churches, and it was in this school that Glagolitic writing was replaced by the so-called Cyrillic writing, which was more akin to the Greek uncial, simplified matters considerably and is still used by the Orthodox Slavs.
^The Diary of Lady Murasaki, ed. Richard Bowring（英语：Richard Bowring）, Penguin Classics 2005, p.31, note 41. In his introduction to the text, Bowring discusses its dating which, in any case, is generally accepted by most authorities. Royall Tyler, in his edition of the Tale of Genji cited below, also draws attention to the entry in Murasaki Shikibu's diary: see the Penguin Books edition, 2003, Introduction, p.xvii
