https://books.google.sk/books?id=V0o6AQAAMAAJ&pg=RA1-PA33&lpg=RA1-PA33&dq=szent+istv%C3%A1n+rend+herold&source=bl&ots=IaPKJWU_GN&sig=1CR5JJA8svBszGi9En5_kiLotKc&hl=hu&sa=X&ved=0ahUKEwidyMKd-YDKAhUGsxQKHUz9A18Q6AEIRzAI#v=onepage&q=szent%20istv%C3%A1n%20rend%20herold&f=false -- 77-99.
