| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Hm Ged Adult Study Skills Program: Student Text | 978-0-88210-210-8 (0-88210-210-9) | 1988 | Elizabeth C. Keroack · Roberta Wolman |
| Hm Math Study Skills Program/Teachers Edition | 978-0-88210-124-8 (0-88210-124-2) | 1980 | |
C.D. · C. T. · C Tobin · Catherine D. · Catherine Tobin · D. T.