Luneburg : Heliand-Verlag
Majalah, Jurnal, Buletin
Gayed, Riad, author
Elia's Modern Press, [date of publication not identified]
Buku Referensi
Bach, Adolf, author
Quelle & Meyer, 1961
Buku Teks
Tschrich, Fritz, author
Erich Schmidt, 1975
Buku Teks
Bach, Adolf
Buku Teks