| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Later Cave-Men | Dopp, Katharine Elizabeth, 1863- | en | Brown, Howard V. [Illustrator] | Archaeology -- Juvenile literature; Cave dwellers -- Juvenile literature | 2008-09-13 | ||
| The Tree-Dwellers | Dopp, Katharine Elizabeth, 1863- | en | Brown, Howard V. [Illustrator] | Prehistoric peoples -- Juvenile literature; Readers | 2008-04-18 |