V.F. Hopper · Vincent F. Hopper · Vincent Hopper
Barrons Educational Series Inc · Dover Publications
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| English Verb Conjugations: 123 Irregular Verbs Fully Conjugated, Tense, Mood, Number | 978-0-8120-0557-8 (0-8120-0557-0) | 1975 |
| Medieval Number Symbolism: Its Sources, Meaning, and Influence on Thought and Expression | 978-0-486-41430-0 (0-486-41430-2) | 2011 |