Franke, Wolfgang, author
R. Oldenbourg Munchen, 1958
Buku Teks
Franke, Wolfgang, author
University of South Carolina Press, 1981
Buku Teks
Prestel, 1999
Buku Teks
Grube, Wilh
Lei[zig C.F. Amelangs 1909
Buku Teks
Kuhn, Franz
Dresden Wilhelm Heyne Verlag 1937
Buku Teks