| Author: | Selwyn, Carl, 1920-1998 |
| Subject: | PS, Science fiction, Male friendship -- Fiction, Adventure stories, Vulcan (Hypothetical planet) -- Fiction |
| Format: | Electronic text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Citadel of Death [electronic resource] / Carl Selwyn |