Herman A. Hummel

• First duet album for two violins
• First etude album for violin
• Elementary Scales and Bowings - String Bass
• Intermediate Scales And Bowings - Cello
• Intermediate Scales And Bowings - Viola
• Elementary Scales and Bowings
• Elementary Scales and Bowings - Cello
• Elementary Scales and Bowings - Cello (Music Instruction) : (First Position)
• Elementary Scales and Bowings - Cello : (First Position)
• Elementary Scales and Bowings - Full Score
• Elementary Scales and Bowings - Full Score (Music Instruction)
• Elementary Scales and Bowings - Piano Accompaniment