Oskar Guttmann

Aesthetic Physical Culture: A Self-Instructor For All Cultured Circles, And Especially For Oratorical And Dramatic Artists

Aesthetic Physical Culture: A Self-Instructor For All Cultured Circles, And Especially For Oratorical And Dramatic Artists

Gymnastik Der Stimme, Ggstützt Auf Physiologische Gesetze

Gymnastics Of The Voice

Gymnastics Of The Voice: A System Of Correct Breathing In Singing And Speaking, Based Upon Physiological Laws. A Self-Instructor In The Trainin

Gymnastics Of The Voice

Mathematical Concepts In Organic Chemistry

Gymnastik Der Stimme, Gestützt Auf Physiologische Gesetze

Gymnastik Der Stimme, Gestützt Auf Physiologische Gesetze

Aesthetic Physical Culture

Mathematical Concepts In Organic Chemistry