- Brian Berlin Harmonica Method Book 1 – $25
- Helmi Harrington Button Accordion Method for “Bohemian” and “Viennese” Systems, Book 1 – $22
- Helmi Harrington Button Accordion Method for “Bohemian” and “Viennese” Systems, Book 2 – $22
- Helmi Harrington Button Accordion Method for “Bohemian” and “Viennese” Systems, Book 3 – $22
- Helmi Harrington Button Accordion Method for “Bohemian” and “Viennese” Systems, Book 4 – $22
- Helmi Harrington One-Row Button Diatonic Accordion Method, Book 1 – $25
- Helmi Harrington Accordion Course for Everyone, “C” System Button Chromatic Method, Book 1 – $20
- Helmi Harrington Button Chromatic “C” System, The Fast Course, Essential Skills for the Intermediate Accordionist, Book 1 – $50
*Purchase of Helmi Harrington products supports A World of Accordions Museum in Superior, Wisconsin.