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 organizational structure 2006-07-26 00:00:00https://vocabularyserver.com/icpsr/xml.php?skosTema=349https://vocabularyserver.com/icpsr/xml.php?skosTema=697https://vocabularyserver.com/icpsr/xml.php?skosTema=853https://vocabularyserver.com/icpsr/xml.php?skosTema=1432https://vocabularyserver.com/icpsr/xml.php?skosTema=2035https://vocabularyserver.com/icpsr/xml.php?skosTema=2369