| Author: | Cox, Irving E., 1917-2001 |
| Subject: | PS, Science fiction, Short stories, Space colonies -- Fiction, Billionaires -- Fiction |
| Format: | Electronic text |
| Date issued: | 2019 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Firth's World [electronic resource] / Irving E. Cox |