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 revolutions 2006-07-26 00:00:00 https://vocabularyserver.com/icpsr/xml.php?skosTema=3513https://vocabularyserver.com/icpsr/xml.php?skosTema=147https://vocabularyserver.com/icpsr/xml.php?skosTema=789https://vocabularyserver.com/icpsr/xml.php?skosTema=506https://vocabularyserver.com/icpsr/xml.php?skosTema=729https://vocabularyserver.com/icpsr/xml.php?skosTema=1766https://vocabularyserver.com/icpsr/xml.php?skosTema=2582https://vocabularyserver.com/icpsr/xml.php?skosTema=3086