Não informado. (1915). Annals of the Dearborn Observatory of the Northwestern University. Dearborn Observatory of the Northwestern University.
Lua i Stíl Chicago (17ú heag.)Não informado. Annals of the Dearborn Observatory of the Northwestern University. Evanston, Ill: Dearborn Observatory of the Northwestern University, 1915.
Lua MLA (8ú heag.)Não informado. Annals of the Dearborn Observatory of the Northwestern University. Dearborn Observatory of the Northwestern University, 1915.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.