Briefe von Wolfgang Köhler an Hans Geitel 1907-1920Wolfgang Köhler · First published 1988Open the Tome
Gestalt psychology / by Wolfgang KohlerWolfgang (1887-1967) Kohler · First published 1929Open the Tome
The Place of Value in a World of Facts by Wolfgang Kohler (1976-03-17)Wolfgang Kohler · First published 1633Open the Tome
