@Book{419447040,
author="Horstmann, Wilhelm",
title="{\"U}ber die Quellen des Tacitus in den ersten sechs B{\"u}chern der Annalen",
year="1877",
address="Marburg",
note="Wilhelm Horstmann",
note="Marburg, Phil. Diss. 1877",
language="Undetermined language"
}