Original sentence: Encyclopædia Britannica, Encyclopedia Americana and the Microsoft Encarta Online Encyclopedia identify Copernicus as Polish.The Stanford Encyclopedia of Philosophy states: "Thus the child of a German family was a subject of the Polish crown
Edited sentence: Encyclopædia Britannica, Encyclopedia Americana and the Microsoft Encarta Online Encyclopedia identify Copernicus as Polish, while the Stanford Encyclopedia of Philosophy more equivocally states: "Thus the child of a German family was a subject of the Polish crown