Have you ever wondered when German universities have begun to coordinate themselves? If so, you might like to read this output of the Thyssen research project that enabled the foundation of the HistGeogUni research network:
Heike Jöns, Michael Heffernan, Dean W. Bond 2021. Unity in bronze: German universities and the 250th anniversary of the Royal Society. Notes and Records: The Royal Society Journal of the History of Science: https://doi.org/10.1098/rsnr.2020.0051