In 1912 , the town of Leipzig , seat of the annual Leipzig Book Fair , the Kingdom of Saxony and the Börsenverein der Deutschen Buchhändler ( Association of German booksellers ) agreed to found a German National Library in Leipzig .
In 1912 , the town of Leipzig , seat of the annual Leipzig Book Fair , the kingdom of Saxony and the Börsenverein der Deutschen Buchhändler ( Association of German booksellers ) agreed to found a German National Library located in Leipzig .