Não informado. (1921). Congressional Digest. Congressional Digest Corporation.
Lua i Stíl Chicago (17ú heag.)Não informado. Congressional Digest. Washington: Congressional Digest Corporation, 1921.
Lua MLA (8ú heag.)Não informado. Congressional Digest. Congressional Digest Corporation, 1921.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.