Near. Widor on Organ Performance Practice and Technique. University of Rochester Press.
Lua i Stíl Chicago (17ú heag.)Near. Widor on Organ Performance Practice and Technique. University of Rochester Press.
Lua MLA (9ú heag.)Near. Widor on Organ Performance Practice and Technique. University of Rochester Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.