| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Answer Key Read to Write | 978-0-07-024587-7 | 1997 | |
| Cassette for L/S Test Form A, to accompany Celt | 978-0-07-026875-3 | 1985 | |
| Cassette for L/S Test Form B to accompany Celt | 978-0-07-026876-0 | 1985 | |
| Celt | 978-0-07-026877-7 | 1985 | |
| CELT A Comprehensive English Language Test for Learners of English/Prepack of 10: Form A: Test Book | 978-0-07-026871-5 | 1985 | |
| Celt Score Key: Listen Form B | 978-0-07-026864-7 | 1986 | |
| Comprehensive English Language Test Form B/Package of 10 | 978-0-07-026872-2 | 1985 | |
| Comprehensive English Language Test: Score Key, Listening Form A | 978-0-07-026861-6 | 1998 | |
| Comprehensive English Language Test: Score Key, Structure Form A | 978-0-07-026862-3 | 1997 | |
| Examiners Kit Forms: A and B | 978-0-07-026873-9 | 1985 | Leslie A. Palmer |
| Reading Improvement Exercises for Students of English as a Second Language | 978-0-13-755058-6 | 1966 | |
| Score Key Structure Form B: Comprehensive English Language Test | 978-0-07-026865-4 | 1985 | |
D,. H.. · D. Harris · D. P. · David H. · David Harris · David Oliver Peter Harris · David P. · David Payne Harris · P. H. · P. Harris