London, 1886.
How to Sing Wm.

Henry Daniell New York, 1887.
The Art of Breathing as the Basis for Tone Production Leo Kofler New York, 1887.
The Voice.

How to Train It Edward Barrett Warman Boston, 1890.
Scientific Voice.

Artistic Singing and Effective Singing Thomas Chater London, 1890.
Voice Figures Mrs.Margaret Watts Hughes London, 1891.
The Human Voice; Its Cultivation W.H.Griffiths London, 1892.
The Philosophy of Singing Clara Kathleen Rogers New York, 1893.
The What and How of Vocal Culture F.Rowena Medini New York, 1893.
Exercises in Vocal Technique John Franklin Botume Boston, 1894.
Text-Book on the Natural Use of the Voice George E.Thorp and William Nicholl London, 1895.
Respiration for Advanced Singers John Franklin Botume Boston, 1897.
Voice Building and Tone Placing Henry Holbrook Curtis, M.D.

New York, 1896.
Twenty Lessons on the Development of the Voice George E.Thorp London, 1896.
Voxometric Revelation (The Problem Surrounding the Production of the Human Voice Finally Discovered) Alfred Augustus North London, 1896.
The Art of Singing Wm.