F・S · (Foreign Language) · Foreign Service Institute · S. L.
| title | ISBN-13 | year of publication | 
|---|---|---|
| Barron's Mastering Greek: Book and 12 Cassettes | 978-0-8120-7477-2 | 1988 | 
| Mastering French, Level 2: Book Only | 978-0-8120-1358-0 | 1992 | 
| Mastering German: Book Only | 978-0-8120-2210-0 | 1985 | 
| Mastering Italian | 978-0-8120-2222-3 | 1986 | 
| Mastering Italian: Book and 12 Cassettes | 978-0-8120-7323-2 | 1987 | 
| Mastering Italian: with 15 Compact Discs | 978-0-8120-7867-1 | 1992 | 
| Mastering Portuguese: Book Only | 978-0-8120-3989-4 | 1988 | 
| Mastering Spanish, Level 2: Book and 12 Cassettes | 978-0-8120-7919-7 | 1992 | 
| Mastering Spanish, Level 2: Book Only | 978-0-8120-1360-3 | 1992 |