Subject
7 free books about voice, free to read online. Chapter 1 of any book is free, no account needed.
The mechanism of the human voice
Emil Behnke
The Brain and the Voice in Speech and Song
F. W. Mott
Expressive Voice Culture, Including the Emerson System
Jessie Eldridge Southwick
The Voice and Spiritual Education
Hiram Corson
Psycho Vox; or, The Emerson System of Voice Culture
Charles Wesley Emerson
Duality of Voice
Emil Sutro
Vocal Expression: A Class-book of Voice Training and Interpretation
Katherine Jewell Everts