Pratt, Musical Ministries in the Church.
V. The Boy Choir:
Bates, Voice Culture for Children.
Brown and Behnke, The Child Voice.
Howard, The Child Voice in Singing.
Johnson, The Training of Boys' Voices.
Richardson, The Choir Trainer's Art.
Stubbs, Practical Hints on Boy Choir Training.
VI. Voice Training:
Ffrangçon-Davies, The Singing of the Future.