title: [The active core in the early epoch of the Leopoldina. Member selection 1652 -1779 from proposed candidates].
mesh_terms: D000047:Academies and Institutes / Q000266:history*; D004181:Directories as Topic; D005858:Germany; D049670:History, 17th Century; D049671:History, 18th Century; D010811:Natural Science Disciplines / Q000266:history*; D012106:Research / Q000266:history*