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Syntaxfehler in Suchanfrage: ead.keyword="Philadelphia, Pa.", ead.keyword.index:(*:* AND -("Pennsylvania")), ead.creator.index:(*:* AND -("Helmuth, Justus Henry Christian (1745-1825)")), ead.creator.index:(*:* AND -("Muhlenberg, Henry Melchior (1711-1787)")), 62