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Since the 1990s research is being carried out on a collection of Silesian manuscripts from the sixteenth and seventeenth centuries (known as the Emil Bohn collection) now held at 'Staatsbibliothek Preussischer Kulturbesitz zu Berlin', and at 'Stadtbibliothek zu Breslau' prior to the Second World War. As a result of this research, Greta Konradt has identified the ‘hand' of Michael Büttner, a cantor...
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