24 Progressive Studies for Flute, Op. 33 by Joachim Andersen

24 Studi in all Tonalities

24 Studies for Flute, Op. 21 by Joachim Andersen, edited by Arthur J. Ephross

24 Studies in All Tonalities for Clarinet by Robert Stark

24 Technical Studies for Flute, Op. 63 by Joachim Andersen, edited by Robert Cavally

24 Technical Studies for the Flute, Op. 63 by Joachim Andersen edited by Donald Peck

24 Varied Scales and Exercises for Clarinet by J.B. Albert

24 Virtuosity Studies for Flute, Op. 60 by Joachim Andersen, edited by Robert Cavally

24 Virtuosity Studies Op. 51 Book 1 by Robert Stark

24 Virtuosity Studies Op. 51 Book 2 by Robert Stark

25 Caprices Op. 153 by Sigfrid Karg-Elert edited by Jeffrey Lerner

25 Daily Exercises for Saxophone by Hyacinthe Klosé edited by Timothy McAllister

25 Etudes by Alfred Prinz

25 Recreation Studies for Trombone or Bassoon by Jerome Naulais

25 Studies in Scales and Chords for Bassoon Op. 24 by Ludwig Milde

25 Studies in Scales and Chords for Bassoon Op. 24 by Ludwig Milde (IMC)

25 Technical and Melodious Studies (Vingt Cinq Études Techniques et Mélodiques pour Clarinette) Volume 1 by Paul Jeanjean

25 Technical and Melodious Studies (Vingt Cinq Études Techniques et Mélodiques pour Clarinette) Volume 2 by Paul Jeanjean

26 Cadenzas in the Form of Preludes (Vingt-Six Cadences en forme de préludes) by Agostino Gabucci

26 Etudes for clarinet arranged by Cyrille Rose

26 Melodic Studies for Bassoon by Eugène Jancourt (Hard Copy)

26 Small Caprices for Flute, Op. 37 by Joachim Andersen, edited by Robert Cavally

27 Dances for Clarinet and Piano (27 Danzas para Clarinete y Piano) by Ignacio Cervantes