| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| How to Teach Elementary Arithmetic: Grube's Method of Teaching Arithmetic Explained With a Large Number of Practical Hints and Illustrations | 978-1-112-52191-1 (1-112-52191-7) | 2009 |
F. Louis · F・S · Frank Louis · Frank S. · L.S.