The Wörterbuch der ägyptischen Sprache was an international collaborative zettelkasten project begun in 1897 and finally published as five volumes in 1926.
https://en.wikipedia.org/wiki/W%C3%B6rterbuch_der_%C3%A4gyptischen_Sprache
The Wörterbuch der ägyptischen Sprache was an international collaborative zettelkasten project begun in 1897 and finally published as five volumes in 1926.
https://en.wikipedia.org/wiki/W%C3%B6rterbuch_der_%C3%A4gyptischen_Sprache