| The Belgian Twins |
| The Dutch Twins |
| The Eskimo Twins |
| Folk Tales from the Russian |
| The French Twins |
| The Japanese Twins |
| The Puritan Twins |
| The Scotch Twins |
| The Spartan Twins |
| The Swiss Twins |
The Online Books Page hasn't yet cataloged the following titles:
| The Cave Twins |
| The Irish Twins |
| The Italian Twins |
| The Mexican Twins |
| The Moon Princess: A Fairy Tale |
| The Summers readers: first reader |
| The Summers readers: primer |
This catalog page is provided by The Online Books Page, and the literature by Project Gutenberg.