Não informado. (1855). Annals of the Astronomical Observatory of Harvard College. Harvard College Observatory.
Lua i Stíl Chicago (17ú heag.)Não informado. Annals of the Astronomical Observatory of Harvard College. Cambridge, Mass: Harvard College Observatory, 1855.
Lua MLA (8ú heag.)Não informado. Annals of the Astronomical Observatory of Harvard College. Harvard College Observatory, 1855.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.