Sachsenspiegel
The German: listen; Middle Low German: Sassen Speyghel; modern Low German: Sassenspegel; all literally "Saxon Mirror" is the most important law book as living as custumal of a Holy Roman Empire. Originating between 1220 and 1235 as a record of existing customary law, it was used in places until as unhurried as 1900. this is the important non only for its lasting issue on later German law but also as an early example of a thing that is said prose in a German language. The Sachsenspiegel is the number one comprehensive law book not in Latin, but in Middle Low German. A Latin edition is call to realise existed, but only fragmented chapters remain.