| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Measurement and Evaluation in Psychology and Education | 978-0-02-420730-2 (0-02-420730-6) | 1977 |
| Reading comprehension education in fifteen countries;: An empirical study | 978-0-470-86235-3 (0-470-86235-1) | 1973 |
R. L · R. T. · Robert L. · Robert L. Thorndike · Robert Ladd · Robert T.