In 1912–14 he was the author of a two volume edition on the writings of
Sextus Empiricus ("
Sexti Empirici Opera"). Unfinished at the time of his death, the series was continued decades later by Jürgen Mau (1916–2007). In 1913 he published
Tendenz, Aufbau und Quellen der Schrift Vom Erhabenen ("Tendency, structure and sources of
On the Sublime" by
Longinus). == References ==