Follow the links below for some sample catalog searches or links to articles that you may find useful, categorized by language.
A Handbook of Diction for Singers: Italian, German, French by 
Diction for Singers: a Concise Reference for English, Italian, Latin, German, French, and Spanish by 
Diction: Italian, Latin, French, German; the sounds and 81 exercises for singing them by 
The Use of the International Phonetic Alphabet in the Choral Rehearsal by 
