26. Spengler, Otto. Familienbuch von Eiersheim 1663-1900. [FHL 943.46/E11 D2s].
27. Spengler, Otto. Familienbuch von Gissigheim 1612-1910. [FHL 943.46/G9 D2].
28. Koebele, Albert. Dorfsippenbuch Ringsheim Kreis Lahr in Baden. Grafenhausen, 1956.
29. Benz, Ernest. Fertility, Wealth, and Politics in Three Southwest German Villages: 1650-1900. Brill, 1999. The villages of Grafenhausen, Kappel and Rust are featured in this study.