By John W. Schaum. Edited by Gail Lew. Piano method/supplement (late-elementary piano). Level: late elementary, level 2. 52 pages. Published by Belwin

By John W. Schaum. Instructional book for piano. Early Intermediate Purple Book, Level 3. Series: Piano method/supplement. 52 pages. Published by Belwin.

Virtuoso. By John W. Schaum. For Piano. Piano - Schaum Method. John W. Schaum Piano Course. Level: Grade 6. Book. 48 pages. Published by Alfred Publishing.