Brophy, L. (1946). Hermann Keyserling, Knight of the Holy Ghost.
Lua i Stíl Chicago (17ú heag.)Brophy, Liam. Hermann Keyserling, Knight of the Holy Ghost. 1946.
Lua MLA (9ú heag.)Brophy, Liam. Hermann Keyserling, Knight of the Holy Ghost. 1946.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.