5 books in series
501 Verbs
501 Verbs is a 5-book series with 5 released primary works first released in 1963 with contributions by Christopher Kendris, Henry Strutz, and Thomas R. Beyer.
 501 Spanish Verbs 501 Spanish Verbs: Fully Conjugated in All the Tenses in a New Easy-To-Learn Format Alphabetically Arranged
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 501 Russian Verbs: Fully Conjugated in All the Tenses Alphabetically Arranged
| 0 | 1 read | |||
 Dictionary of 501 French Verbs
| 0 | 1 read | |||
 501 French verbs fully conjugated in all the tenses in a new easy to learn format
| 0 | 1 read | |||
 501 German Verbs
| 0 | 1 read |