Latz, Josef
Bonn [t.p.] 1958
Buku Teks
Leipzig Lotus 1908-1921
Buku Teks
Heine, Heinrich, 1797-1856, author
Wilhelm Goldman Verlag, 1957
Buku Teks
Bertholet, Alfred, 1868-1951, author
Alfred Kroner, 1952
Buku Referensi
Kraus, Herbert
Schimmelbusch, 1953
Buku Teks