12 Easy Studies, Op. 157 (Piano Technique). By Louis Kohler. Edited by Karl Klauser. For Piano. Piano Method. SMP Level 5 (Intermediate). 16 pages. G. Schirmer #LB425. Published by G. Schirmer (HL.50254860).
This title has selections that range in difficulty from SMP Level 4-5.
About SMP Level 5 (Intermediate)
Seventh chords and melodies in both hands. More difficult note reading with ledger lines above and below the staff.