Gayed, Riad, author
Elia's Modern Press, [date of publication not identified]
Buku Referensi
F. A. Brockhaus, 1975
Buku Referensi
Leipzig Veb Bibliographisches Institut 1960
Buku Referensi
Spuler, Bertold
Leiden E.J. Brill 1954
Buku Teks
Mann, Thomas, author
Aufbau-Verlag Berlin, 1972
Buku Teks