Clemens, S. (1839). Sub-Series 32: Clemens, Sherrard, 1839-1843. Saint Louis University Libraries Digitization Center.
Lua i Stíl Chicago (17ú heag.)Clemens, Sherrard. Sub-Series 32: Clemens, Sherrard, 1839-1843. Saint Louis University Libraries Digitization Center, 1839.
Lua MLA (8ú heag.)Clemens, Sherrard. Sub-Series 32: Clemens, Sherrard, 1839-1843. Saint Louis University Libraries Digitization Center, 1839.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.