TY - JOUR A1 - Delger, H. A1 - Kok, J. T1 - Bridegrooms and biases: a critical look at the study of intergenerational mobility on the basis of marriage certificates Y1 - 1998 DO - 10.1080/01615449809601194 JF - Historical Methods VL - 31 IS - 3 SP - 113 EP - -121 ER -