| Author: | Ortt, Felix, 1866-1959 |
| Subject: | HQ, Women -- Health and hygiene, Sexual ethics |
| Format: | Translation of Aan mijn zusje: brief over het geslachtsleven, Electronic text |
| Date issued: | 2020 |
| Language: | Esperanto |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Al mia fratineto : Letero pri la seksvivo [electronic resource] / Felix Ortt |