E. Köhler OP. 33 vol.III - STUDIO N° 1
Kohler Flute Etude Opus 33, #3: ALLEGRO [Melodious & Progressive Studies for Flute, Pg. 21]
E. Kohler studio n 1 op 33 Vol III, Angela Citterio
E. Köhler OP. 33 vol.III studio n. 1 (on historical instrument)
35 Exercises for Flute Op.33 Book Ⅲ No.3/E.Köhler
35 Exercises for Flute Op.33 Book Ⅲ No.5/E.Köhler
E. Köhler OP. 33 vol.III - STUDIO N° 4
E. Köhler OP. 33 vol.III studio n. 3 (on historical instrument)
35 Exercises for Flute Op.33 Book Ⅲ No.8/E.Köhler
Kohler Study No.3 in F Major Op.33
Ernesto Köhler op.33 Vol.II° - N° 2
E. Köhler Flute Etudes Op. 33 Book 1 #3 Allegro
Ernesto Köhler op.33 Vol.II° - N° 10(orchestrated)
E. Kohler, 12 Etudies Vol II, op. 33 - n.10. Flute Sara Bellini
E.Köhler op.33 studio n.3 - G. Barone, flauto
35 Exercises for Flute Op.33 Book Ⅲ No.6/E.Köhler
35 Exercises for Flute Op.33 Book Ⅲ No.2/E.Köhler
E. Kohler studio per flauto n 1 op 33 Vol III, parte terza
Köhler : Study No. 3, Op. 33, Book I
E. Kohler Studio n 1 op 33 Vol III, parte seconda