Le génie du lavabo

Resonance in singing

Donald Gray Miller

2008

Supernatural Voice

Simon Ravens

2014

The four voices of man

Jerome Hines

1997

Vocal registers in singing

Symposium on Vocal Registers in Singing San Diego, Calif. 1969.

1973

Irina Raspopova's method of voice-training in folk styles of Russian polyphony

Irina Raspopova

1996

A Manual on the rudiments of tuning and registration

1992

Vocal registers in singing

Calif.) Symposium on Vocal Registers in Singing (1969 San Diego

1973

Voix d'opéra

Victor Maurel

1988