Laviosa-Zambotti, P
Baden-Baden Verlag fur Kunst und Wissenschaft 1950
Buku Teks
Burgin, Hans
Berlin Akademie-Verlag 1959
Buku Teks
Leipzig Lotus 1908-1921
Buku Teks
Leipzig Lotus 1908-1921
Buku Teks
Gayed, Riad, author
Elia's Modern Press, [date of publication not identified]
Buku Referensi