About Wampanoag, Tigerstedt, science and scientists, and Karl Marx's son-in-law.
D002309:Cardiology / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D008091:Literature; D012106:Research; D012586:Science / Q000266:history; D012961:Sociology; D013672:Technology / Q000266:history