Barrons Educational Series · Barrons Educational Series Inc
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Spanish Now! Level 1 | 978-0-7641-2933-9 (0-7641-2933-3) | 2005 | Ruth Silverstein · Allen Pomerantz Ph.D. · Haywood Wald Ph.D. |
| Spanish the Easy Way | 978-0-8120-9412-1 (0-8120-9412-3) | 1996 | Ruth J. Silverstein · Allen Pomerantz · Heywood Wald · Ruth J. Siverstein · Ruth J. Spanish Now Silverstein |