Braam, F. A. v. (1950). World collectors annuary.
Lua i Stíl Chicago (17ú heag.)Braam, Fred A. von. World Collectors Annuary. 1950.
Lua MLA (8ú heag.)Braam, Fred A. von. World Collectors Annuary. 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.