S.J. · W.J. · W.S. · W. Samuel
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Field Work in Nature Study: A Hand-Book for Teachers and Pupils ... | 978-1-143-02818-2 (1-143-02818-X) | 2010 |
| Nature Study for the Common Schools | 978-1-142-12441-0 (1-142-12441-X) | 2010 |
| Number Work in Nature Study, Part 1 | 978-1-141-49129-2 (1-141-49129-X) | 2010 |