| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Language Of Accounting In English | 978-0-13-523226-2 | 1994 | |
| Spectrum 1: A Communicative Course in English: Textbook/20088 | 978-0-13-826637-0 | 1984 | Diane Warhawsky · Donald R. H. Byrd |
| Spectrum 2: A Communicative Course in English Student Book | 978-0-13-829979-8 | 1993 | Diane Warshawsky · Donald R. H. Byrd · Nancy Frankfort · Joan Dye |
| Spectrum 4: A Communicative Course in English: Textbook/20139 | 978-0-13-826660-8 | 1982 | Diane Warhawsky · Donald Byrd |
| Spectrum 5: A Communicative Course in English: Textbook/20141 | 978-0-13-826678-3 | 1982 | Diane Warhawsky · Donald R. H. Byrd |
| Spectrum: A Communicative Course in English | 978-0-13-830191-0 | 1994 | Donald R. H. Byrd |
| Spectrum: A Communicative Course in English Level 6 | 978-0-13-830258-0 | 1994 | Diane Warshawsky · Byrd · David P Rein · Nancy Frankfort · Joan Dye · Sharon Abrams |
| Spectrum: A Communicative Course in English-Level Five | 978-0-13-830209-2 | 1999 | Diane Warshawsky · Byrd · David P Rein · Nancy Frankfort · Joan Dye |
| Spectrum: A Communicative Course in English-Level Four | 978-0-13-830811-7 | 1999 | Diane Warshawsky · David P Rein · Nancy Frankfort · Joan Dye · Sharon Abrams |
| Spectrum: A Communicative Course in English-Level Three | 978-0-13-830548-2 | 1999 | Diane Warshawsky · David P Rein · Nancy Frankfort · Joan Dye · Sharon Abrams |
| Spectrum: A Communicative Course in English-Level Two | 978-0-13-832882-5 | 1994 | Diane Warshawsky · David P Rein · Nancy Frankfort · Joan Dye · Sharon Abrams |
| Spectrum, Level 6: A Communicative Course in English | 978-0-13-830266-5 | 1999 | Diane Warshawsky · David P Rein · Nancy Frankfort · Joan Dye · Sharon Abrams |
| Spectrum: Student Book and Workbook Level 2: A Communicative Course in English | 978-0-13-118735-1 | 2006 | Diane Warshawsky |
| Spectrum: Student Book and Workbook Level 3 | 978-0-13-118736-8 | 2006 | " |
S.C. · Sandra Castañeda · Sandra Chastain · Sandra Costanzo · Sandra Costinett Donald R. H. Byrd