| Author: | Ives, F. T. (Franklin Titus), 1828-1910 |
| Subject: | QE, Earth (Planet) -- Internal structure |
| Format: | Electronic text |
| Date issued: | 2022 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Hollow Earth [electronic resource] / F. T. Ives |