教則本

30 Leçons 4 clés sans accompagnement

30 Leçons 5 clés avec accompagnement

30 Piano Pieces for Young Players op. 27, Book 1
Heft I: Nr. 1-10

30 Piano Pieces for Young Players op. 27, Book 2
Heft II: Nr. 11-20

30 Piano Pieces for Young Players op. 27, Book 3
Heft III: Nr. 21-30

30 Progressive Studies Op. 46

30 Selected Studies
In The Positions for Viola

30 Velocity Studies

32 (Thirty-two) Rose Etudes for Clarinet
Revised and Corrected Edition

32 Etudes de Perfectionnement
For Trumpet (In Bb Or C) (Originally for Bb Valve Trombone Or Tuba)

32 Etudes de perfectionnement

32 Etudes for Bass Trombone
Performance Scores

32 Etudes for Trombone

32 Etudes mélodiques

32 Études Melodiques Et Techniques

32 Etudes miniatures à mémoriser

32 Nouveaux Ex. Op 848 Piano

33 Etudes

34 Orchestral Etudes for Trumpet
Ed. by Mark Clodfelter

35 Études Techniques