iPEHD Raw Data: Miscellaneous The codebooks in the codebooks section provide detailed information on the variables. Before accessing the data, please make sure to read the raw data and merging data sections. Surface Area 1821 (CSV, 11 KB) 1858 (CSV, 10 KB) 1862 (CSV, 9 KB) Buildings 1821 (CSV, 10 KB) 1849 (CSV, 17 KB) Municipalities and Residential Areas 1871 (CSV, 15 KB) You Might Also Be Interested In Artikel Welcome to iPEHD – the ifo Prussian Economic History Database Area ifo Center for the Economics of Education