| Author: | Tracy, Louis, 1863-1928 |
| Subject: | PR, Adventure stories, Switzerland -- Fiction, Voyages and travels -- Fiction, Mystery fiction |
| Format: | Electronic text |
| Date issued: | 2010 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Silent Barrier [electronic resource] / Louis Tracy |