Hadden, J. C. (1960). Chopin. Schapire.
Lua i Stíl Chicago (17ú heag.)Hadden, J. Cuthbert. Chopin. Buenos Aires: Schapire, 1960.
Lua MLA (9ú heag.)Hadden, J. Cuthbert. Chopin. Schapire, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.