Hackeng, R. “R.G.A.M. Panhuysen, Demography and Health in Early Medieval Maastricht. Prosopographical Observations on Two Cemeteries”. BMGN - Low Countries Historical Review 122, no. 4 (January 1, 2007). Accessed January 30, 2023. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107663.