Austrian historian of literature; born at Slavaten, Moravia, June 21, 1860; studied at Lemberg, Vienna, and Berlin (Ph.D. 1888). Since 1891 he has been connected with the library of the University of Vienna. He has written: "Ludwig Börne, Sein Leben und Sein Wirken" (Berlin, 1888); "Adressbuch der Bibliotheken der Oesterreichisch-Ungarischen Monarchie" (with Hans Bohatta; Vienna, 1890); "Deutsches Anonymen Lexikon," a lexicon of anonymous authors in German literature from 1501 to 1850, parts A-K having so far appeared (Weimar, 1901-03); "Aus dem Lager der Goethe-Gegner" (Berlin, 1904).