Leeds Heraldry Society. Aspects of heraldry. Leeds Heraldry Society.
Lua i Stíl Chicago (17ú heag.)Leeds Heraldry Society. Aspects of Heraldry. Leeds: Leeds Heraldry Society.
Lua MLA (8ú heag.)Leeds Heraldry Society. Aspects of Heraldry. Leeds Heraldry Society.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.