| Author: | Spencer, Herbert, 1820-1903 |
| Subject: | B, Science, Philosophy, Political science |
| Format: | Electronic text |
| Date issued: | 2012 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Illustrations of Universal Progress : A Series of Discussions [electronic resource] / Herbert Spencer |