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A solis ortus cardine III.jpeg Third page of score of solis ortus cardine the text by Coelius Sedulius in the Antiphonarium Romanum of Stephan von Seiboldsdorf Bishop of Freising digitalesammlungen de html Digitised book Bavarian State Library Stephan von Seiboldsdorf PDart PDold solis ortus cardine Antiphonaries