Gottlieb Duttweiler Institute
[ar] معهد غوتليب دوتفايلر
[cs] Gottlieb Duttweiler Institute
[de] Gottlieb Duttweiler Institut
[fr] Institut Gottlieb Duttweiler
[ko] 고틀리프 두트바일러 연구소
[sv] Gottlieb Duttweiler Institut