Não informado. (1921). Contributions to Canadian Mineralogy. University of Toronto.
Lua i Stíl Chicago (17ú heag.)Não informado. Contributions to Canadian Mineralogy. Toronto, Canada: University of Toronto, 1921.
Lua MLA (8ú heag.)Não informado. Contributions to Canadian Mineralogy. University of Toronto, 1921.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.