Smith, S. F. Luther and Tetzel. International Catholic Truth Society.
Lua i Stíl Chicago (17ú heag.)Smith, Sydney Fenn. Luther and Tetzel. Brooklyn, N.Y.: International Catholic Truth Society.
Lua MLA (8ú heag.)Smith, Sydney Fenn. Luther and Tetzel. International Catholic Truth Society.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.