German Regional Inequality Database (GRID)

Sources: Bartels, C., Kersting, F. and N. Wolf (2021): Testing Marx. Capital Accumulation, Income Inequality, and Socialism in late 19th century Germany.
        Bartels, C., Jäger, S. and N. Obergruber (2020): Long-Term Effects of Equal Sharing:  Evidence from Inheritance Rules for Land.