. . "Dr ès lettres Wolfgang Koehler" . "1909" . "Koehler"@en . . . "Koehler, Wolfgang Dr ès lettres" . . . . "Wolfgang Köhler"@fr-FR . "KOEHLER, Wolfgang, Psychologist" . "Psychologist Wolfgang KOEHLER" . "Wolfgang Koehler"@en . "Wolfgang"@en . . . "(Psychologist) Wolfgang KOEHLER" . "KOEHLER, Wolfgang (Psychologist)" . "KOEHLER" . .