Coenen, L. From Sonata in E flat major: (1902) / Louis Coenen. Piano à quatre mains. - [S.l.]: NM, P 1992. - Best.-Nr. 92014. - Compact Disc, Nr. 15.
Lua i Stíl Chicago (17ú heag.)Coenen, Louis. "From Sonata in E Flat Major: (1902) / Louis Coenen." Piano à Quatre Mains. - [S.l.]: NM, P 1992. - Best.-Nr. 92014. - Compact Disc, Nr. 15 .
Lua MLA (8ú heag.)Coenen, Louis. "From Sonata in E Flat Major: (1902) / Louis Coenen." Piano à Quatre Mains. - [S.l.]: NM, P 1992. - Best.-Nr. 92014. - Compact Disc, Nr. 15, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.