It's only students and supporters like you, who help keep the lights on.
Make a donation today

© Alfons Grabher 2010 - 2025 All rights reserved. This website does not use cookies, does not do user tracking, does not do dynamic-request loading of Google fonts, does not save Logs, except the server logs required by law. I do not analyse these server logs. In fact, I publish because I love my work, and I only use one metric: how much voluntary support I receive from my readers/students. Legal Information: Impressum, Datenschutzerklärung GDPR

Back to top