Redigerer Mandarinduk (avsnitt)

== Litteratur ==
* Schuyler Cammann: «Chinese Mandarin Squares, Brief Catalogue of the Letcher Collection», i  ''University Museum Bulletin'' Vol 17, No 3 (June 1953).
* Schuyler Cammann: «Development of the Mandarin Square», i ''Harvard Journal of Asiatic Studies'' Vol VIII, no 2 (1944).
* Valery M. Garrett: ''Mandarin Squares: Mandarins and their insignia'', Hong Kong: Oxford University Press, 1990.
* Beverley Jackson, David Hugus: ''Ladder to the Clouds'', Berkeley: Ten Speed Press. 1999.
* Patricia Bjaaland Welch: «Rank insignia for military officers of the imperial court», i: [[Tuttle]]: ''Chinese Art''. ISBN 080483864X, d. 110–111 (Online=[http://books.google.com/books?id=5sgO9BuZQSEC&pg=PA110]).