000076202 156 1762-1814 1856-1939 1896-1980 1903-1957 1907-1988 1934- 1939-1945 1999k-616 2009j-326 20thcentury 741 aggressiveness animal animalbehavior anthropologie anthropology artandthewar artists austria authors bawden behavior belgian best biography biologicalpsychiatry biologismuslorenz christianity cognition cognitivepsychology comparative congresses correspondence correspondencebawden criticismandinterpretationfichte criticismandinterpretationlorenz cultural culture cultuurfilosofie dd1319 ecologie edward emotions england ethologists ethology evolutietheorie evolution familysimenon federico fellini french freud functionalanalysis georges hh4113 hh7125 history historyroyalbotanicgardens horn humanevolution instinct jean johanngottlieb john k-theory kennistheorie kew klaus knowledge konrad liegroups lorenz nationalsocialism nazis niko novelists operatoralgebras operatortheorie philosophy piaget pierre politicsandgovernment politiekeaspecten psychoanalyticinterpretation psychologists psychology ql31 religiousaspects royalbotanicgardens sigmund simenon sociobiology stone theoryof tinbergen vonneumann werner wm102f8891998 worldwar wz100 zoologists