主题词：Medical History and Research; German Social Sciences and History; German Literature and Culture Studies; European history and politics; History and Theory of Mathematics; Historical Psychiatry and Medical Practices; Twentieth Century Scientific Developments; Libraries and Information Services; Public Administration and Political Analysis; Nietzsche, Schopenhauer, and Hegel; Philosophy, Science, and History; History of Science and Natural History; Human auditory perception and evaluation; Medical and Health Sciences Research; Historical Studies on Reproduction, Gender, Health, and Societal Changes; Historical, Literary, and Cultural Studies; Medical History and Innovations; Historical Medical Research and Treatments; Historical Studies and Socio-cultural Analysis; Philosophy and History of Science; Memory, History, Trauma, Identity; History and Developments in Astronomy; History and advancements in chemistry; Sociology and Education Studies; Historical Philosophy and Science