| Author: | Hall, H. R. (Harry Reginald), 1873-1930 |
| Subject: | GN, PZ, Prehistoric peoples -- Juvenile literature |
| Format: | Electronic text |
| Date issued: | 2015 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Days Before history [electronic resource] / H. R. Hall |