Ptactische Gesangschule
Practical singing tutor for mezzo-soprano or alto part exercises for the cultivitation of fluency (spicker) Part II Op. 474 Vol. 460
Practische gesangschule Op. 474 Ausgabe fur sopran order tenor
Practical singing tutor for soprano or tenor, mezzo-soprano or alto, baritone or bass part I Scales and interval Op. 474 Vol. 460
Practical singing tutor for bass and baritone Op. 474
Practiche gesangschule Op. 474 Ausgabe fur sopran order tenor