https://vocabularyserver.com/icpsr/ ICPSR Subject Thesaurus Interuniversity Consortium for Political and Social Research social science subject terms Interuniversity Consortium for Political and Social Research 2006-07-26 en 2006-07-26 00:00:00 foundations 2006-07-26 00:00:00https://vocabularyserver.com/icpsr/xml.php?skosTema=1310https://vocabularyserver.com/icpsr/xml.php?skosTema=1462https://vocabularyserver.com/icpsr/xml.php?skosTema=2296https://vocabularyserver.com/icpsr/xml.php?skosTema=2466