Manski, Dorothea. (1895–1967) Signed PhotographSigned photograph of the German soprano who sang in the Berlin premiere of Parsifal (1914) and appeared widely in the United States during the 1930's before becoming a professor at Indiana University. She is shown in a Wagnerian costume and has boldly signed and inscribed the photograph to Paul Heinecke, the U. S. director of the important music publishers Breitkopf & Hrtel, dated March 31, [19]29. Some rubbing and scratches to the surface; overall in