1.
Messung und Erklärung von Selbstakzeptierung bei jugendlichen Homosexuellen
Leiden im 18. Jahrhundert, oder: Gibt es Grenzen des Niedergangs?
Lockouts in the Netherlands: why statistics on labour disputes must discriminate between strikes and lockouts, and why new statistics need to be compiled
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
The multidimensionality of cultural life scripts: results from a 1970s survey