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Christoph Matthus Pfaff. Christoph Matthus Pfaff Gemlde der Professorengalerie der Universitt Tbingen studion unituebingen de php ChristophMatth AusPfaff studion Original uploader was Umweltschtzen at org de Johann Gabriel Schleich PDold Original upload log de Ireas CommonsHelper page de ChristophMatth AusPfaff Umweltschtzen