31.0 x 32.0cm
'Annamese Insignia: Rank Badges from Vietnam' by Judith Rutherford., Arts of Asia Sep 2006-Oct 2006, Sep 2006-Oct 2006, (colour illus.). cat.no. 8
'Other Mandarin Squares: Korean, Annamese and Unfamiliar Examples' by Schuyler V.R Cammann., Arts of Asia Mar 1992-Apr 1992, Mar 1992-Apr 1992.
'The Development of the Mandarin Square' by Schuyler Cammann, pg 118-120., Harvard Journal of Asian Studies [vol 8] 1944, 1944.