1866 - 1945, Breslau, Univ., Phil. Diss., 1897
1959 - , James J. Grosfeld Professor of Law, Jurisprudence, and Social Thought, Amherst College
1866 - 1945, Breslau, Univ., Phil. Diss., 1897
1959 - , James J. Grosfeld Professor of Law, Jurisprudence, and Social Thought, Amherst College