Notes and research materials used by Gottfried Reinhardt while writing his book. Includes newsclippings, copies of articles/newsclippings, handwritten notes, typescripts of articles. Authors referenced include Rudolf Frank, Friedrich Luft, Gregor Fülöp-Miller, Wolfgang Drews, Peter Marxer, Paul Pörtner, Egon PiskMaria Moormann, Carl Hagemann, Heinrich Laube, Alexander Woollcott.