In the laboratory of the Geisterbaron: experimental parapsychology in Germany.
Wolffram
Heather
H
D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007753:Laboratories / Q000266:history*; D010268:Parapsychology / Q000266:history*; D010684:Philosophy / Q000266:history; D010781:Photography / Q000266:history; D011589:Psychology, Experimental / Q000266:history*