Ployhar, J., & Weber, F. (1969). French horn student: Level one (Elementary). Belwin.
Lua i Stíl Chicago (17ú heag.)Ployhar, James, agus Fred Weber. French Horn Student: Level One (Elementary). Miami, FL: Belwin, 1969.
Lua MLA (9ú heag.)Ployhar, James, agus Fred Weber. French Horn Student: Level One (Elementary). Belwin, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.