. "Poland" . . . . "Regency Kingdom of Poland" . "Regentschaftsk\u00F6nigreich Polen" . . "Kingdom of Poland (1917\u20131918)" . "Polish proto-state" . . . . "State Poland" . . . . . . . . "Kingdom of Poland (1917\u20131918)" . . . "puppet Poland" . . . . . . . . . . . . "Regency Poland" . . . "German client state" . . . . . . . . "Prime Minister of the Regency Kingdom of Poland" . . . "new kingdom" . . . . . . . "Kingdom of Poland" . ":Kingdom of Poland (1917\u20131918)" . . . "Kingdom of Poland (1917\u20131918)#Polish institutions" . "Regency Kingdom" . .