Briggs, G. (1971). Civic & corporate heraldry: A dictionary of impersonal arms of England, Wales & N. Ireland / comp. & ed. by Geoffrey Briggs. Heraldry Today.
Lua i Stíl Chicago (17ú heag.)Briggs, Geoffrey. Civic & Corporate Heraldry: A Dictionary of Impersonal Arms of England, Wales & N. Ireland / Comp. & Ed. by Geoffrey Briggs. London: Heraldry Today, 1971.
Lua MLA (8ú heag.)Briggs, Geoffrey. Civic & Corporate Heraldry: A Dictionary of Impersonal Arms of England, Wales & N. Ireland / Comp. & Ed. by Geoffrey Briggs. Heraldry Today, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.