L.D. · Language Dynamics Inc./Mark A. Frobose · Mark Frobose/Language Dynamics
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| 5001 French Sentences/8 One Hour Audiocassette Tapes/Complete Learning Guide and Tape Script | 978-1-893564-28-2 | 1999 | Mark A. Frobose |
| Absolute French/8 One Hour Audiocassette Tapes/Complete Learning Guide and Tape Script | 978-1-893564-18-3 | 1999 | " |
| Absolute Spanish/8 One Hour Audiocassette Tapes/Complete Learning Guide and Tape Script | 978-1-893564-17-6 | 1999 | " |
| Audio Fluency Spanish/8 One Hour Audiocassette Tapes | 978-1-893564-19-0 | 1999 | " |
| Hablando Ingles Americano 6 Audiocassette Tapes | 978-1-893564-08-4 | 1993 | " |
| Ingles Americano Para Hispanohablantes | 978-1-893564-09-1 | 1993 | " |