| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| General Science Instruction in the Grades: Pt. I.a Quantitative Analysis of General Science Texts. Pt. II.the Reaction of Children of the Last Three Grammar Grades to Science: -1921 | 978-1-112-23682-2 (1-112-23682-1) | 2009 |