[Not Available].
D003226:Congresses as Topic / Q000266:history*; D049673:History, 20th Century; D007391:International Cooperation / Q000266:history*; D011585:Psychology, Applied / Q000266:history*; D011589:Psychology, Experimental / Q000266:history*
Die Internationalen Kongresse fur Psychotechnik und die fruhe Geschichte der IAAP/AIPA.