| Author: | Hayward, Charles B. (Charles Brian), 1876- |
| Subject: | TL, Aeronautics, Airships |
| Format: | Text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Dirigible Balloons [electronic resource] / Charles B. Hayward |