`  Gleason, Philip. ``Trouble in the Colonial Melting Pot.`` Journal of American Ethnic History 2000 20(1): 3-17. Issn: 0278-5927 Fulltext online in Ingenta and Ebsco. Considers the political consequences of the remarks in a 1751 pamphlet by Franklin on demographic growth and its implications for the colonies. He called the Pennsylvania Germans ``Palatine Boors`` who could never acquire the ``Complexion`` of the English settlers and to ``Blacks and Tawneys`` as weakening the social structure of the colonies.   `