Singing: The Mechanism and the Technical

The Diagnosis and Correction of Vocal Faults: A Manual for Teachers of Singing and for Choir Directors (with accompanying CD of sample vocal faults)

Solutions for Singers: Tools for Performers and Teachers

The Technics of Bel Canto

Bel Canto: A Theoretical and Practical Vocal Method (Dover Books on Music)

The Structure of Singing: System and Art in Vocal Technique

Barron's Italian-English Dictionary: Dizionario Italiano-Inglese (Barron's Bilingual Dictionaries)

Daily Exercises in Singing (Kalmus Edition)

Practical Vocal Acoustics: Pedagogic Applications for Teachers and Singers (Vox Musicae: the Voice, Vocal Pedagogy, and Song)

Cantabile - A Manual about Beautiful Singing for Singers, Teachers of Singing and Choral Conductors