Editorial Portavoz · Independently published
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Cartwright's Choice Chuckles | 978-0-8254-2306-2 (0-8254-2306-6) | 1968 |
| Latin Verb Conjugator: The most common verbs fully conjugated | 978-1-9807-2186-4 (1-9807-2186-6) | 2018 |