(EN) Coats of arms, su cotlandspeople.gov.uk. URL consultato l'11 maggio 2018 (archiviato dall'url originale il 10 agosto 2020).
«Coats of arms were originally used for military purposes and consisted of an actual coat bearing a distinctive design which was worn over a suit of armour. .[..] Most personal coats of arms consist of a shield, helmet, crest and motto.»