New Light on the Old Italian Method An Outline of the Historical System Taylor, David Clark Innbundet / 2008 / Engelsk
Psychology of Singing; A Rational Method of Voice Culture Based on a Scientific Analysis of All Taylor, David Clark Innbundet / 2009 / Engelsk
Psychology of Singing; A Rational Method of Voice Culture Based on a Scientific Analysis of All Taylor, David Clark Heftet / 2009 / Engelsk
