Tempest, H. G. (1948). Two armorial stones in Bachelor's Walk, Drogheda, one bearing the O'Carroll Arms. With a note by John Aims-worth.
Lua i Stíl Chicago (17ú heag.)Tempest, Henry G. Two Armorial Stones in Bachelor's Walk, Drogheda, One Bearing the O'Carroll Arms. With a Note by John Aims-worth. 1948.
Lua MLA (9ú heag.)Tempest, Henry G. Two Armorial Stones in Bachelor's Walk, Drogheda, One Bearing the O'Carroll Arms. With a Note by John Aims-worth. 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
