The following card was distributed by the American Express Company in Berlin to its clientele:
" You are a tourist to be here a few days or weeks. Take a tip from one who has been here several months.
" You are dwelling among people who have suffered nine years of war, at first military and now industrial. They are a sensitive, cultured people, on the whole as highly civilized as any nation on earth. You should not be surprised if one of them occasionally is out of temper with foreigners.
" It is only...