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Houghton Typ .. Gersdorff Clxiv. en Illustration by Hans Wchtlin from Feldtbch der Wund Artzney sampt vilen Instrumenten der Chirurgey by Hans von Gersdorff circa lib harvard edu Typ Houghton Library Harvard University lib harvard edu Typ Houghton Library Harvard Universitybr institution Houghton Library Hans Wchtlin