Não informado. (1928). German Quarterly. American Association of Teachers of German.
Lua i Stíl Chicago (17ú heag.)Não informado. German Quarterly. Philadelphia, Pa: American Association of Teachers of German, 1928.
Lua MLA (8ú heag.)Não informado. German Quarterly. American Association of Teachers of German, 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.