Sign up now: free 10-day trial
@zsbenke Thanks for this.
@zsbenke His actual notes are all online. I don't read German, but there is an article with photos here: www.heise.de/newsticke...
@kerim: You can even browse some of them online. https://niklas-luhmann-archiv.de/bestand/zettelkasten/tutorial
@kerim You could always use Google Translate.