\documentclass[a4paper]{article}
\usepackage[T1]{fontenc}
\usepackage{txfonts,german}

\newcommand{\titel}{\section}
\newcommand{\untertitel}{\subsection}
\newcommand{\dasheisst}{d.\,h.\ }
\begin{document}
   \input jg_kl_1_schiller.txt
\end{document}