sentences:  The first comprehensive German dictionary, the "Deutsches Wörterbuch" (DWB), was begun by the Brothers Grimm in 1838.The "Duden" dictionary, begun in 1880 and now in its 25th edition, is currently the prescriptive source for the spelling of German.The official dictionary for Austrian German, the "Österreichisches Wörterbuch" (ÖWB), is published by the Austrian Federal Government and is now in its 41st edition.