H.G. · H. Grant · Horace Grant Underwood
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Arithmetic for Young Children: Being a Series of Exercises Exemplifying the Manner in Which Arithmetic Should Be Taught to Young Children | 978-1-332-10184-9 (1-332-10184-4) | 2018 |
| Exercises for the Improvement of the Senses: For Young Children | 978-1-141-67324-7 (1-141-67324-X) | 2010 |