Tempest, H. G. (1948). Two De Verdon seals.
Lua i Stíl Chicago (17ú heag.)Tempest, Henry G. Two De Verdon Seals. 1948.
Lua MLA (9ú heag.)Tempest, Henry G. Two De Verdon Seals. 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
