| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Crucial issues in education | Paperback | 978-0-03-058089-5 | 1981 |
| Crucial issues in education | Hardcover | 978-0-03-017431-5 | 1977 |
| Crucial issues in education | Paperback | 978-0-03-005681-9 | 1973 |
| Crucial issues in education | " | 978-0-03-077350-1 | 1969 |
H. E. · H. Ehlers · H.J. · Henry E. · Henry J · J. E. · J. Ehlers