Humboldt-Universität zu Berlin | Projects | HU-Docs | The Association HU-Docs e.V. The Association HU-Docs e.V. HU-Docs e.V. is an association for networking and support of PhD students at the Humboldt-Universität zu Berlin. On the following pages you can learn more about us. About HU-Docs e.V. Join us Board Association Statute