Altheim, Franz
Halle [etc.] Max Niemeyer verlag 1948
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Helmling, Brigitte
Munchen J. Gotteswinter GmbH 1986
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Heinschke, Martina
Berlin Dietrich Reimer 1993
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Dorner, Andreas, author
Literatur-Wissenschaft , 1994
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Neckel, Gustav
Reclam jun.,, 1964
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