New York Grapic Society, 1957
Buku Referensi
New York Graphic Society, 1959
Buku Referensi
recovered by Sir Aurel Stein; described by Fred H. Andrews
Oxford Universityu Press, 1948
Buku Referensi
Australian Exhibition Touring Agency, 1990
Buku Teks
New York Graphic Society, 1956
Buku Referensi