[Google AI Mode at the query, signed out and incognito (operator default of 2026-10-14). The operator, with the paste: 'this one linked to wikipedia instead of popup, so ai mode'. The paste opens on the page header ('Halloween 2026') and its tab row, with no 'You said' line; the query is the census name as printed for him at 18:21 EDT. The web results above the answer are kept in the raw paste and are not part of the composition. Received 2026-10-31 18:44 EDT.] [QUERENT] International Institute of Social History [SYSTEM] The International Institute of Social History (IISH; Dutch: Internationaal Instituut voor Sociale Geschiedenis, IISG) is one of the world's premier archives and research centers dedicated to global labor and social history. Located in Amsterdam, Netherlands, the institute specializes in documenting how labor relations, socio-economic inequalities, and social movements have evolved over time. Wikipedia +1 International Institute of Social History International Institute of Social History - Wikipedia International Institute of Social History (IISH) International Institute of Social History (IISH) - KNAW Frequently Asked Questions | IISG IIAS Fellows Visit the International Institute of Social ... About IISH | ESSHC International Institute of Social History - Wikipedia International Institute of Social History - YouTube Founded November 25, 1935 Founder Nicolaas Wilhelmus Posthumus Location Amsterdam, Netherlands Affiliation Royal Netherlands Academy of Arts and Sciences (KNAW) Wikipedia Core Pillars & Scope World-Class Archive: The IISH safeguards massive collections that include over one million volumes, three million digital files, and thousands of linear feet of manuscripts. It is celebrated as the foremost repository of anarchist documents globally. Wikipedia Preserving Radical Thought: Its vaults contain the irreplaceable personal papers and manuscripts of major historical figures like Karl Marx, Friedrich Engels, Mikhail Bakunin, Emma Goldman, and Leon Trotsky. Wikipedia +1 Global Historical Rescue: Originally founded to rescue endangered heritage from totalitarian regimes (such as Nazi Germany and Franco's Spain), the institute continues to step in globally to preserve threatened records of human rights groups and social movements. International Consortium of Critical Theory +1 Leading Data Hub: Beyond physical papers, it functions as an advanced digital data center, tracking global records on wages, demography, and economic development spanning the last five centuries. Internationaal Instituut voor Sociale Geschiedenis +1 If you are planning to utilize their resources, let me know if you would like to explore: How to search their online catalog for specific historical manuscripts Details on their current research clusters or upcoming conferences Information on visiting the archive in Amsterdam What aspect of the institute are you most interested in? AI can make mistakes, so double-check responses