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Personal circulation in the Dutch second chamber 1888-1993: towards institutionalization and professionalization and then?
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Drogenkonsum, Drogenprobleme und Drogenpolitik in Europa: Geschichte und aktuelle Entwicklungen im internationalen Vergleich
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The striking Netherlands: time series analysis and models of socio-economic development and labour disputes, 1850-1995
Changes in choice of spouse as an indicator of a society in a state of transition: Woerden, 1830-1930