Não informado. (1948). Books in Print: An index to the publishers trade list annual. R.R. Bowker Company.
Lua i Stíl Chicago (17ú heag.)Não informado. Books in Print: An Index to the Publishers Trade List Annual. New York: R.R. Bowker Company, 1948.
Lua MLA (8ú heag.)Não informado. Books in Print: An Index to the Publishers Trade List Annual. R.R. Bowker Company, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.