| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Music At Your Fingertips: Advice For The Artist And Amateur On Playing The Piano | 978-O-3O6-8OO34-4 (O-3O6-8OO34-9) | 1976 |
R. S. · Rudy Slingerland · Ruth Schilling · Ruth Schillings · Ruth Slenczka · Ruth Slomski