| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| 501 French Verbs | 978-0-7641-2429-7 | 2003 | Theodore N., Ph.D. Kendris |
| 501 Spanish Verbs | 978-0-613-99900-7 | 2003 | Theodore Kendris |
| 501 Spanish Verbs: Fully Conjugated in All the Tenses in A New Easy-To-Learn Format Alphabetically Arranged | 978-0-7641-2428-0 | 2003 | Theodore N., Ph.D Kendris |
| French Grammar | 978-0-7641-1351-2 | 2001 | |
| French Now! a Level One Worktext | 978-0-8120-4432-4 | 1990 | |
| French Verbs | 978-0-7641-1356-7 | 2001 | |
| French Verbs Conjugations | 978-0-7641-2484-6 | 2004 | Theodore, Ph. D. Kendris |
| French Vocabulary | 978-0-7641-1999-6 | 2002 | Theodore, N. Kendris · Christopher Kendris |
| Pronounce It Perfectly in French | 978-0-8120-8038-4 | 1994 | |
| Spanish Grammar | 978-0-7641-1615-5 | 2001 | |
| Spanish Verb Conjugation | 978-0-7641-2485-3 | 2004 | Theodore, Ph. D. Kendris |
C.D. · C. K. · C.P. · Christopher D. · Christopher K. · Christopher Kendris · Christopher Ph.D. · D.K · P.K. · Ph.D.
Barrons Educational Series · Barrons Educational Series Inc · Turtleback Books