- Dame Clara Butt
- Gabriele Fantoni
-
Vocal Expression: A Class-book of Voice Training and Interpretation
Katherine Jewell EvertsKatherine Jewell Everts - Millie Ryan
-
The Psychology of Singing A Rational Method of Voice Culture Based on a Scientific Analysis of All Systems, Ancient and Modern
David C. Taylor - Scrici
- Society of Friends
- Lilli Lehmann