Книги автора «Leo Kofler»

The art of breathing (Leo Kofler)

The Art of Breathing as the Basis of Tone-Production (Leo Kofler)

The art of Breathing as the Basis of Tone-production; a Book Indispensable to Singers, Elocutionists, Educators, Barristers, Clergymen, and to all Others Desirous of Having a Pleasant Voice a (Leo Kofler)