| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Basic English for Adult Competency | 978-0-13-060418-7 | 1983 | Leann Howard · Frances Lee |
| Basic English for Adult Competency | 978-0-13-060426-2 | 1982 | Leann Howard · Frances Lee |
| English for Adult Competency | 978-0-13-279752-8 | 1980 | |
| English for Adult Competency Book 1 | 978-0-13-280348-9 | 1990 | |
| English for Adult Competency Book 2 | 978-0-13-280355-7 | 1990 | Leann Howard · Gretchen Bitterlin · Frances Lee |
| English for Adult Competency, Book One | 978-0-13-279745-0 | 1980 | Leann Howard · Frances Lee |