Schwarz, Karl. “Familienbildung Gestern Und Heute Aus Regionaler Sicht: Family Formation in the past and Present from a Regional Viewpoint”. Journal of Family Research 8, no. 1 (April 1, 1996): p. 117–131. Accessed May 19, 2024. https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/558.