| Author: | Farrell, Joseph, 1927-1981 |
| Subject: | PS, Science fiction, Short stories, Time travel -- Fiction |
| Format: | Electronic text |
| Date issued: | 2016 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Security Plan [electronic resource] / Joseph Farrell |