S R ยท Samuel Ronce
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Puerto Rican Cuatro Method: Samuel Ramos | 978-1-4681-1809-4 (1-4681-1809-9) | 2011 |
| Puerto Rican Cuatro Method: Samuel Ramos | 978-1-4681-4352-2 (1-4681-4352-2) | 2011 |
| Scales, Chords & Arpeggios for the Puerto Rican Cuatro: Samuel Ramos | 978-1-4681-3875-7 (1-4681-3875-8) | 2011 |