| Author: | Uildriks, Frederike van, 1854-1919 |
| Subject: | TL, Airplanes, Balloons, Airships |
| Format: | Electronic text |
| Date issued: | 2004 |
| Language: | Dutch |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Omhoog in het luchtruim! Praatje over het luchtvaartvraagstuk : De Aarde en haar Volken, 1908 [electronic resource] / Frederike van Uildriks |