1881
Hans Kelsen, Czech-American jurist and philosopher (died 1973)
Hans Kelsen, Czech-American jurist and philosopher (died 1973)
Hans Kelsen, Czech-American jurist and philosopher (died 1973)
Austrian jurist and legal philosopher (1881–1973)
Hans Kelsen, Czech-American jurist and philosopher (died 1973)
Hans Kelsen, Czech-American jurist and philosopher (died 1973)