Schaum, John W. 1905- Fingerpower : : for piano or organ : a set of progressive technical exercises / [electronic resource] / John W. Schaum.. — Mequon, WI : : Schaum Publications,, c1963-1972.. — 7 v. of music ; 31 cm.
Primer Level (Preparatory) -- Level One (A or Gr. 1) -- Level Two (B or Gr. 1 1/2) -- Level Three (C or Gr. 2) -- Level Four (D or Gr. 2 1/2) -- Level Five (E or Gr. 3) -- Level Six (F or Gr. 4).