I have launched a map of the Jewish population in Žatec: https://map.kehillot.eu/domy.html?loc=%C5%BDatec
Amazing map. Are the census records that you used to generate it now online?
Only the census from 1921 is online: http://vademecum.soalitomerice.cz/vademecum/permalink?xid=aaf521c3-...
