* {{en}} {{cita libro|cognome= Hieronymussen|nome= Poul Ohm|titolo= Orders and Decorations of Europe in Color|url= http://books.google.com/books?id=Zy46AAAAMAAJ&q=Grand+Decoration+of+Honour++and+Austria&dq=Grand+Decoration+of+Honour++and+Austria&lr=&client=firefox-a&pgis=1|anno= 1967|editore= Macmillan Publishers|città= New York|idISBN= ISBN 978-070-13707137-4450445-7|lingua= en}}
* {{en}} {{cita libro|cognome= Werlich|nome= Robert|titolo= Orders and Decorations of All Nations: Ancient and Modern, Civil and Military|url= http://books.google.com/books?id=aopAAAAAIAAJ&q=order+of+the+sun+peru&dq=order+of+the+sun+peru&lr=&client=firefox-a&pgis=1|anno= 1965|editore= Quaker Press|città= Washington D.C.|idISBN= {{NoISBN}}no|lingua= en}}
