Islamic Seals Database, Chester Beatty Library Dublin.  Crowd-sourced cataloging project, available at: http://www.cbl.ie/islamicseals/Home.aspx

Ottoman Sultan Tugras, 2002.  The Turkish-English website is the labor of love of Ercan Mensiz; available at: http://www.tugra.org

Dagmar A. Riedel

Last updated, 9 February 2015