Deutsches Wörterbuch von Jacob Grimm und Wilhelm Grimm (DWB)(courtesy of the University of Trier)
Click on the phrase Online-Wörterbuch aufschlagen to get started. In the main search box, typing the initial letters of the word you are researching will display an alphabetical list of words. Each definition has a permanent URL and is available in a .pdf format for easy printing.
Vorworte. This tab displays a list of volume numbers and their corresponding forewords.
Entstehungszeit des DWB. This tab displays a chart, written in German, that chronicles the important events of each year that the Bros. Grimm worked on the dictionary, as well as subsequent years of editing.