1874-1929 1877-1945 1878-1962 20thcentury authors correspondence criticismandinterpretation criticismandinterpretationborchardt criticismandinterpretationhofmannsthal criticismandinterpretationschröder diaries german germanliteratureborchardt hofmannsthal hugovon marieluise rudolf rudolf1877-1945correspondence rudolfalexander schröder