Böll, Heinrich, author
Kipenheuer & Witsch, 1964
Buku Teks
Wilpert, Gero von, author
Alfred Kroner , 1964
Buku Referensi
Jakobson, Roman, author
Berlin Akademic-Verlag 1960
Buku Teks
Heller, EK
Berkeley [etc.] University of California Press 1952
Buku Teks
Wilhelm, Richard
Buku Teks