| Author: | De Maris, Walter, 1879-1936 |
| Subject: | PS, Detective and mystery stories, Adventure stories, Detectives -- Fiction |
| Format: | Text |
| Date issued: | 2010 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Gray Mask [electronic resource] / Walter De Maris |