Maas, Ineke Center for Sociology and the Study of the Life Course, Max Planck Institute for Human Development, Max Planck Society;
van Leeuwen, M. H. D., & Maas, I. (1997). Social Mobility in a Dutch Province, Utrecht 1850-1940. Journal of Social History, 30(3), 619-644. Retrieved from https://www.jstor.org/stable/3789551.