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BMABCDm. Scan from Johann Christoph Brotze's book Sammlung verschiedner Lieflndischer Monumente Perspectivische Vorstellung von dem neuen Orgelwercke so in der Russ Kayserl Stadt Riga bey der Crons Kirche zu St Jacob von dem Orgelmacher zu Halle Heinr Andr Contius aufgefhret wird Anno Johann Friedrich Bause die Gravre University