| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Children Using Mathematics | 978-0-19-919010-2 (0-19-919010-0) | 1973 | etc. |
| Discovering Modern Algebra | 978-0-19-837002-4 (0-19-837002-4) | 1966 | |
| Programmed Vector Algebra | 978-0-19-832525-3 (0-19-832525-8) | 1969 | |
K. Gardner · K L · K. Leslie · L.G. · L. Gardner · Leslie Gardner