Busch, Harald
Main Umschau Verlag, 1953
Buku Teks
Huch, R Huch, Ricarda
Leipzig Haessel 1918
Buku Teks
Novalis [and others]
Vollmer Verlag, 1949
Buku Teks
Wilpert, Gero von, author
Alfred Kroner , 1964
Buku Referensi
Jakobson, Roman, author
Berlin Akademic-Verlag 1960
Buku Teks