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Helmut Kohl Helmuth Karl Bernhard von Moltke Helmut Rahn Helmut Schmidt Helmuth Johannes Ludwig von Moltke Helmut Dietl Helmut Newton Helmut Jahn Helmuth von Gordon Helmut LottiTài liệu tham khảo
WikiPedia: Helmut Jahn http://www.architectureweek.com/2002/0717/design_1... http://www.jahn-us.com/ http://www.leverkusen.com/guide/Archiv1.txt/Lev002... http://www.murphyjahn.com/ http://www.bc.edu/bc_org/avp/cas/fnart/fa267/jahn.... http://www.bluffton.edu/~sullivanm/jahn/jahn.html http://www.bluffton.edu/~sullivanm/jahn/jahn2.html http://www.iit.edu/departments/pr/arch.comp/jahn.h... http://www.iit.edu/departments/pr/arch.comp/jahn2.... https://commons.wikimedia.org/wiki/Category:Helmut...