| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Spectrum Book 3B/Student Book: A Communicative Course in English | 978-0-13-830118-7 (0-13-830118-2) | 1994 | |
| Spectrum Book Three | 978-0-13-826777-3 (0-13-826777-4) | 1987 | Byrd |
Abraham Warshawsky · Diane ... [et al.] Warshawsky · Diane Warshawsky · Jon Warshawsky · Mark J. Warshawsky · Mark Warshawski · Mark Warshawsky · Morrie Warshawski · Oyzer Warshawsky · Robert Warshawsky · Warshawsky · Warshawsky · Wawrczeck · Wawrykowicz · WIERZCHOWSKI · Worsowicz · Worswick