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GysiusOorsprongenvoortgang .tif Beheading of Lamoral Count of Egmont and Philip de Montmorency Count of Horne June on the Grote Markt Brussels Onthoofding van Egmond en Hoorne op de Grote Markt te Brussel juni PDArt DVorm Peace Palace Library collection Johannes Gysius Oorspronck ende voortgang der Nederlandtscher beroerten