| title | ISBN-13 | year of publication |
|---|---|---|
| Gupapuyn̳u: Alphabet and pronunciation | 978-0-86942-058-4 | 1975 |
| GupapuyNu: Conversational course | 978-0-86942-057-7 | 1975 |
| Gupapuynu primer | 978-0-86942-051-5 | |
| [Stories supplementary to lesson 9 of the Gupapuynu primer series] | 978-0-86942-044-7 | 1974 |