There was also an Exportviertel ( export quarter ) along RitterstraÃ e which had a lot of many profitable small businesses , and the `` press quarter '' along KochstraÃ e was the home of most of Germany 's large newspapers as well as the Ullstein , Scherl , and Mosse book publishers . The `` export quarter '' along Ritter Street consisted of many profitable small businesses , and the `` press quarter '' along Koch Street ( Friedrichstadt ) was the home of most of Germany 's large newspapers , as well as the Ullstein , Scherl , and Mosse book publishers .