Wirkungsdaten 1986-, Univ. of Colorado at Boulder; Amerik. Prof. für Geschichte
1937 - , Prof. of Philosophy and Religious Studies at the Univ. of Colorado; Boulder
Wirkungsdaten 1986-, Univ. of Colorado at Boulder; Amerik. Prof. für Geschichte
1937 - , Prof. of Philosophy and Religious Studies at the Univ. of Colorado; Boulder